20804948415

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1223

約数の個数: 160

約数和(自身を含む): 41873008320

約数和(自身を除く): 21068059905

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 153, 157, 171, 255, 285, 323, 405, 459, 471, 513, 765, 785, 855, 969, 1013, 1377, 1413, 1539, 1615, 2295, 2355, 2565, 2669, 2907, 2983, 3039, 4239, 4845, 5065, 6885, 7065, 7695, 8007, 8721, 8949, 9117, 12717, 13345, 14535, 14915, 15195, 17221, 19247, 21195, 24021, 26163, 26847, 27351, 40035, 43605, 44745, 45585, 50711, 51663, 57741, 63585, 72063, 80541, 82053, 86105, 96235, 120105, 130815, 134235, 136755, 152133, 154989, 159041, 173223, 216189, 241623, 253555, 258315, 288705, 327199, 360315, 402705, 410265, 456399, 464967, 477123, 519669, 760665, 774945, 795205, 866115, 981597, 1080945, 1208115, 1369197, 1394901, 1431369, 1559007, 1635995, 2281995, 2324835, 2385615, 2598345, 2703697, 2944791, 3021779, 4107591, 4294107, 4907985, 6845985, 6974505, 7156845, 7795035, 8111091, 8834373, 9065337, 12882321, 13518485, 14723955, 15108895, 20537955, 21470535, 24333273, 26503119, 27196011, 40555455, 44171865, 45326685, 51370243, 64411605, 72999819, 81588033, 121666365, 132515595, 135980055, 154110729, 218999457, 244764099, 256851215, 364999095, 407940165, 462332187, 770553645, 1094997285, 1223820495, 1386996561, 2311660935, 4160989683, 6934982805, 20804948415]

約数ペア:

[(1, 20804948415), (3, 6934982805), (5, 4160989683), (9, 2311660935), (15, 1386996561), (17, 1223820495), (19, 1094997285), (27, 770553645), (45, 462332187), (51, 407940165), (57, 364999095), (81, 256851215), (85, 244764099), (95, 218999457), (135, 154110729), (153, 135980055), (157, 132515595), (171, 121666365), (255, 81588033), (285, 72999819), (323, 64411605), (405, 51370243), (459, 45326685), (471, 44171865), (513, 40555455), (765, 27196011), (785, 26503119), (855, 24333273), (969, 21470535), (1013, 20537955), (1377, 15108895), (1413, 14723955), (1539, 13518485), (1615, 12882321), (2295, 9065337), (2355, 8834373), (2565, 8111091), (2669, 7795035), (2907, 7156845), (2983, 6974505), (3039, 6845985), (4239, 4907985), (4845, 4294107), (5065, 4107591), (6885, 3021779), (7065, 2944791), (7695, 2703697), (8007, 2598345), (8721, 2385615), (8949, 2324835), (9117, 2281995), (12717, 1635995), (13345, 1559007), (14535, 1431369), (14915, 1394901), (15195, 1369197), (17221, 1208115), (19247, 1080945), (21195, 981597), (24021, 866115), (26163, 795205), (26847, 774945), (27351, 760665), (40035, 519669), (43605, 477123), (44745, 464967), (45585, 456399), (50711, 410265), (51663, 402705), (57741, 360315), (63585, 327199), (72063, 288705), (80541, 258315), (82053, 253555), (86105, 241623), (96235, 216189), (120105, 173223), (130815, 159041), (134235, 154989), (136755, 152133)]