20213620680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{493979}}^1$

素因数の和:494035

約数の個数: 128

約数和(自身を含む): 68287795200

約数和(自身を除く): 48074174520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 6820, 8184, 10230, 13640, 20460, 40920, 493979, 987958, 1481937, 1975916, 2469895, 2963874, 3951832, 4939790, 5433769, 5927748, 7409685, 9879580, 10867538, 11855496, 14819370, 15313349, 16301307, 19759160, 21735076, 27168845, 29638740, 30626698, 32602614, 43470152, 45940047, 54337690, 59277480, 61253396, 65205228, 76566745, 81506535, 91880094, 108675380, 122506792, 130410456, 153133490, 163013070, 168446839, 183760188, 217350760, 229700235, 306266980, 326026140, 336893678, 367520376, 459400470, 505340517, 612533960, 652052280, 673787356, 842234195, 918800940, 1010681034, 1347574712, 1684468390, 1837601880, 2021362068, 2526702585, 3368936780, 4042724136, 5053405170, 6737873560, 10106810340, 20213620680]

約数ペア:

[(1, 20213620680), (2, 10106810340), (3, 6737873560), (4, 5053405170), (5, 4042724136), (6, 3368936780), (8, 2526702585), (10, 2021362068), (11, 1837601880), (12, 1684468390), (15, 1347574712), (20, 1010681034), (22, 918800940), (24, 842234195), (30, 673787356), (31, 652052280), (33, 612533960), (40, 505340517), (44, 459400470), (55, 367520376), (60, 336893678), (62, 326026140), (66, 306266980), (88, 229700235), (93, 217350760), (110, 183760188), (120, 168446839), (124, 163013070), (132, 153133490), (155, 130410456), (165, 122506792), (186, 108675380), (220, 91880094), (248, 81506535), (264, 76566745), (310, 65205228), (330, 61253396), (341, 59277480), (372, 54337690), (440, 45940047), (465, 43470152), (620, 32602614), (660, 30626698), (682, 29638740), (744, 27168845), (930, 21735076), (1023, 19759160), (1240, 16301307), (1320, 15313349), (1364, 14819370), (1705, 11855496), (1860, 10867538), (2046, 9879580), (2728, 7409685), (3410, 5927748), (3720, 5433769), (4092, 4939790), (5115, 3951832), (6820, 2963874), (8184, 2469895), (10230, 1975916), (13640, 1481937), (20460, 987958), (40920, 493979)]