20961359640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{104161}}^1$

素因数の和:104234

約数の個数: 192

約数和(自身を含む): 75071636640

約数和(自身を除く): 54110277000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 52, 60, 65, 72, 78, 86, 90, 104, 117, 120, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 312, 344, 360, 387, 390, 430, 468, 516, 520, 559, 585, 645, 774, 780, 860, 936, 1032, 1118, 1170, 1290, 1548, 1560, 1677, 1720, 1935, 2236, 2340, 2580, 2795, 3096, 3354, 3870, 4472, 4680, 5031, 5160, 5590, 6708, 7740, 8385, 10062, 11180, 13416, 15480, 16770, 20124, 22360, 25155, 33540, 40248, 50310, 67080, 100620, 104161, 201240, 208322, 312483, 416644, 520805, 624966, 833288, 937449, 1041610, 1249932, 1354093, 1562415, 1874898, 2083220, 2499864, 2708186, 3124830, 3749796, 4062279, 4166440, 4478923, 4687245, 5416372, 6249660, 6770465, 7499592, 8124558, 8957846, 9374490, 10832744, 12186837, 12499320, 13436769, 13540930, 16249116, 17915692, 18748980, 20311395, 22394615, 24373674, 26873538, 27081860, 32498232, 35831384, 37497960, 40310307, 40622790, 44789230, 48747348, 53747076, 54163720, 58225999, 60934185, 67183845, 80620614, 81245580, 89578460, 97494696, 107494152, 116451998, 121868370, 134367690, 161241228, 162491160, 174677997, 179156920, 201551535, 232903996, 243736740, 268735380, 291129995, 322482456, 349355994, 403103070, 465807992, 487473480, 524033991, 537470760, 582259990, 698711988, 806206140, 873389985, 1048067982, 1164519980, 1397423976, 1612412280, 1746779970, 2096135964, 2329039960, 2620169955, 3493559940, 4192271928, 5240339910, 6987119880, 10480679820, 20961359640]

約数ペア:

[(1, 20961359640), (2, 10480679820), (3, 6987119880), (4, 5240339910), (5, 4192271928), (6, 3493559940), (8, 2620169955), (9, 2329039960), (10, 2096135964), (12, 1746779970), (13, 1612412280), (15, 1397423976), (18, 1164519980), (20, 1048067982), (24, 873389985), (26, 806206140), (30, 698711988), (36, 582259990), (39, 537470760), (40, 524033991), (43, 487473480), (45, 465807992), (52, 403103070), (60, 349355994), (65, 322482456), (72, 291129995), (78, 268735380), (86, 243736740), (90, 232903996), (104, 201551535), (117, 179156920), (120, 174677997), (129, 162491160), (130, 161241228), (156, 134367690), (172, 121868370), (180, 116451998), (195, 107494152), (215, 97494696), (234, 89578460), (258, 81245580), (260, 80620614), (312, 67183845), (344, 60934185), (360, 58225999), (387, 54163720), (390, 53747076), (430, 48747348), (468, 44789230), (516, 40622790), (520, 40310307), (559, 37497960), (585, 35831384), (645, 32498232), (774, 27081860), (780, 26873538), (860, 24373674), (936, 22394615), (1032, 20311395), (1118, 18748980), (1170, 17915692), (1290, 16249116), (1548, 13540930), (1560, 13436769), (1677, 12499320), (1720, 12186837), (1935, 10832744), (2236, 9374490), (2340, 8957846), (2580, 8124558), (2795, 7499592), (3096, 6770465), (3354, 6249660), (3870, 5416372), (4472, 4687245), (4680, 4478923), (5031, 4166440), (5160, 4062279), (5590, 3749796), (6708, 3124830), (7740, 2708186), (8385, 2499864), (10062, 2083220), (11180, 1874898), (13416, 1562415), (15480, 1354093), (16770, 1249932), (20124, 1041610), (22360, 937449), (25155, 833288), (33540, 624966), (40248, 520805), (50310, 416644), (67080, 312483), (100620, 208322), (104161, 201240)]