20139600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1325

約数の個数: 120

約数和(自身を含む): 69530272

約数和(自身を除く): 49390672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1291, 1300, 1560, 1950, 2582, 2600, 3120, 3873, 3900, 5164, 5200, 6455, 7746, 7800, 10328, 12910, 15492, 15600, 16783, 19365, 20656, 25820, 30984, 32275, 33566, 38730, 50349, 51640, 61968, 64550, 67132, 77460, 83915, 96825, 100698, 103280, 129100, 134264, 154920, 167830, 193650, 201396, 251745, 258200, 268528, 309840, 335660, 387300, 402792, 419575, 503490, 516400, 671320, 774600, 805584, 839150, 1006980, 1258725, 1342640, 1549200, 1678300, 2013960, 2517450, 3356600, 4027920, 5034900, 6713200, 10069800, 20139600]

約数ペア:

[(1, 20139600), (2, 10069800), (3, 6713200), (4, 5034900), (5, 4027920), (6, 3356600), (8, 2517450), (10, 2013960), (12, 1678300), (13, 1549200), (15, 1342640), (16, 1258725), (20, 1006980), (24, 839150), (25, 805584), (26, 774600), (30, 671320), (39, 516400), (40, 503490), (48, 419575), (50, 402792), (52, 387300), (60, 335660), (65, 309840), (75, 268528), (78, 258200), (80, 251745), (100, 201396), (104, 193650), (120, 167830), (130, 154920), (150, 134264), (156, 129100), (195, 103280), (200, 100698), (208, 96825), (240, 83915), (260, 77460), (300, 67132), (312, 64550), (325, 61968), (390, 51640), (400, 50349), (520, 38730), (600, 33566), (624, 32275), (650, 30984), (780, 25820), (975, 20656), (1040, 19365), (1200, 16783), (1291, 15600), (1300, 15492), (1560, 12910), (1950, 10328), (2582, 7800), (2600, 7746), (3120, 6455), (3873, 5200), (3900, 5164)]