20105680920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{5237}}^1$

素因数の和:5394

約数の個数: 256

約数和(自身を含む): 68427555840

約数和(自身を除く): 48321874920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 107, 115, 120, 130, 138, 156, 184, 195, 214, 230, 260, 276, 299, 312, 321, 345, 390, 428, 460, 520, 535, 552, 598, 642, 690, 780, 856, 897, 920, 1070, 1196, 1284, 1380, 1391, 1495, 1560, 1605, 1794, 2140, 2392, 2461, 2568, 2760, 2782, 2990, 3210, 3588, 4173, 4280, 4485, 4922, 5237, 5564, 5980, 6420, 6955, 7176, 7383, 8346, 8970, 9844, 10474, 11128, 11960, 12305, 12840, 13910, 14766, 15711, 16692, 17940, 19688, 20865, 20948, 24610, 26185, 27820, 29532, 31422, 31993, 33384, 35880, 36915, 41730, 41896, 49220, 52370, 55640, 59064, 62844, 63986, 68081, 73830, 78555, 83460, 95979, 98440, 104740, 120451, 125688, 127972, 136162, 147660, 157110, 159965, 166920, 191958, 204243, 209480, 240902, 255944, 272324, 295320, 314220, 319930, 340405, 361353, 383916, 408486, 479895, 481804, 544648, 560359, 602255, 628440, 639860, 680810, 722706, 767832, 816972, 959790, 963608, 1021215, 1120718, 1204510, 1279720, 1361620, 1445412, 1565863, 1633944, 1681077, 1806765, 1919580, 2042430, 2241436, 2409020, 2723240, 2801795, 2890824, 3131726, 3362154, 3613530, 3839160, 4084860, 4482872, 4697589, 4818040, 5603590, 6263452, 6724308, 7227060, 7284667, 7829315, 8169720, 8405385, 9395178, 11207180, 12526904, 12888257, 13448616, 14454120, 14569334, 15658630, 16810770, 18790356, 21854001, 22414360, 23487945, 25776514, 29138668, 31317260, 33621540, 36423335, 37580712, 38664771, 43708002, 46975890, 51553028, 58277336, 62634520, 64441285, 67243080, 72846670, 77329542, 87416004, 93951780, 103106056, 109270005, 128882570, 145693340, 154659084, 167547341, 174832008, 187903560, 193323855, 218540010, 257765140, 291386680, 309318168, 335094682, 386647710, 437080020, 502642023, 515530280, 670189364, 773295420, 837736705, 874160040, 1005284046, 1340378728, 1546590840, 1675473410, 2010568092, 2513210115, 3350946820, 4021136184, 5026420230, 6701893640, 10052840460, 20105680920]

約数ペア:

[(1, 20105680920), (2, 10052840460), (3, 6701893640), (4, 5026420230), (5, 4021136184), (6, 3350946820), (8, 2513210115), (10, 2010568092), (12, 1675473410), (13, 1546590840), (15, 1340378728), (20, 1005284046), (23, 874160040), (24, 837736705), (26, 773295420), (30, 670189364), (39, 515530280), (40, 502642023), (46, 437080020), (52, 386647710), (60, 335094682), (65, 309318168), (69, 291386680), (78, 257765140), (92, 218540010), (104, 193323855), (107, 187903560), (115, 174832008), (120, 167547341), (130, 154659084), (138, 145693340), (156, 128882570), (184, 109270005), (195, 103106056), (214, 93951780), (230, 87416004), (260, 77329542), (276, 72846670), (299, 67243080), (312, 64441285), (321, 62634520), (345, 58277336), (390, 51553028), (428, 46975890), (460, 43708002), (520, 38664771), (535, 37580712), (552, 36423335), (598, 33621540), (642, 31317260), (690, 29138668), (780, 25776514), (856, 23487945), (897, 22414360), (920, 21854001), (1070, 18790356), (1196, 16810770), (1284, 15658630), (1380, 14569334), (1391, 14454120), (1495, 13448616), (1560, 12888257), (1605, 12526904), (1794, 11207180), (2140, 9395178), (2392, 8405385), (2461, 8169720), (2568, 7829315), (2760, 7284667), (2782, 7227060), (2990, 6724308), (3210, 6263452), (3588, 5603590), (4173, 4818040), (4280, 4697589), (4485, 4482872), (4922, 4084860), (5237, 3839160), (5564, 3613530), (5980, 3362154), (6420, 3131726), (6955, 2890824), (7176, 2801795), (7383, 2723240), (8346, 2409020), (8970, 2241436), (9844, 2042430), (10474, 1919580), (11128, 1806765), (11960, 1681077), (12305, 1633944), (12840, 1565863), (13910, 1445412), (14766, 1361620), (15711, 1279720), (16692, 1204510), (17940, 1120718), (19688, 1021215), (20865, 963608), (20948, 959790), (24610, 816972), (26185, 767832), (27820, 722706), (29532, 680810), (31422, 639860), (31993, 628440), (33384, 602255), (35880, 560359), (36915, 544648), (41730, 481804), (41896, 479895), (49220, 408486), (52370, 383916), (55640, 361353), (59064, 340405), (62844, 319930), (63986, 314220), (68081, 295320), (73830, 272324), (78555, 255944), (83460, 240902), (95979, 209480), (98440, 204243), (104740, 191958), (120451, 166920), (125688, 159965), (127972, 157110), (136162, 147660)]