20964591960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{33347}}^1$

素因数の和:33418

約数の個数: 192

約数和(自身を含む): 70302919680

約数和(自身を除く): 49338327720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 169, 186, 195, 248, 260, 310, 312, 338, 372, 390, 403, 465, 507, 520, 620, 676, 744, 780, 806, 845, 930, 1014, 1209, 1240, 1352, 1560, 1612, 1690, 1860, 2015, 2028, 2418, 2535, 3224, 3380, 3720, 4030, 4056, 4836, 5070, 5239, 6045, 6760, 8060, 9672, 10140, 10478, 12090, 15717, 16120, 20280, 20956, 24180, 26195, 31434, 33347, 41912, 48360, 52390, 62868, 66694, 78585, 100041, 104780, 125736, 133388, 157170, 166735, 200082, 209560, 266776, 314340, 333470, 400164, 433511, 500205, 628680, 666940, 800328, 867022, 1000410, 1033757, 1300533, 1333880, 1734044, 2000820, 2067514, 2167555, 2601066, 3101271, 3468088, 4001640, 4135028, 4335110, 5168785, 5202132, 5635643, 6202542, 6502665, 8270056, 8670220, 10337570, 10404264, 11271286, 12405084, 13005330, 13438841, 15506355, 16906929, 17340440, 20675140, 22542572, 24810168, 26010660, 26877682, 28178215, 31012710, 33813858, 40316523, 41350280, 45085144, 52021320, 53755364, 56356430, 62025420, 67194205, 67627716, 80633046, 84534645, 107510728, 112712860, 124050840, 134388410, 135255432, 161266092, 169069290, 174704933, 201582615, 225425720, 268776820, 322532184, 338138580, 349409866, 403165230, 524114799, 537553640, 676277160, 698819732, 806330460, 873524665, 1048229598, 1397639464, 1612660920, 1747049330, 2096459196, 2620573995, 3494098660, 4192918392, 5241147990, 6988197320, 10482295980, 20964591960]

約数ペア:

[(1, 20964591960), (2, 10482295980), (3, 6988197320), (4, 5241147990), (5, 4192918392), (6, 3494098660), (8, 2620573995), (10, 2096459196), (12, 1747049330), (13, 1612660920), (15, 1397639464), (20, 1048229598), (24, 873524665), (26, 806330460), (30, 698819732), (31, 676277160), (39, 537553640), (40, 524114799), (52, 403165230), (60, 349409866), (62, 338138580), (65, 322532184), (78, 268776820), (93, 225425720), (104, 201582615), (120, 174704933), (124, 169069290), (130, 161266092), (155, 135255432), (156, 134388410), (169, 124050840), (186, 112712860), (195, 107510728), (248, 84534645), (260, 80633046), (310, 67627716), (312, 67194205), (338, 62025420), (372, 56356430), (390, 53755364), (403, 52021320), (465, 45085144), (507, 41350280), (520, 40316523), (620, 33813858), (676, 31012710), (744, 28178215), (780, 26877682), (806, 26010660), (845, 24810168), (930, 22542572), (1014, 20675140), (1209, 17340440), (1240, 16906929), (1352, 15506355), (1560, 13438841), (1612, 13005330), (1690, 12405084), (1860, 11271286), (2015, 10404264), (2028, 10337570), (2418, 8670220), (2535, 8270056), (3224, 6502665), (3380, 6202542), (3720, 5635643), (4030, 5202132), (4056, 5168785), (4836, 4335110), (5070, 4135028), (5239, 4001640), (6045, 3468088), (6760, 3101271), (8060, 2601066), (9672, 2167555), (10140, 2067514), (10478, 2000820), (12090, 1734044), (15717, 1333880), (16120, 1300533), (20280, 1033757), (20956, 1000410), (24180, 867022), (26195, 800328), (31434, 666940), (33347, 628680), (41912, 500205), (48360, 433511), (52390, 400164), (62868, 333470), (66694, 314340), (78585, 266776), (100041, 209560), (104780, 200082), (125736, 166735), (133388, 157170)]