20346738040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1\times {\mathrm{20773}}^1$

素因数の和:21352

約数の個数: 64

約数和(自身を含む): 46846200960

約数和(自身を除く): 26499462920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 521, 940, 1042, 1880, 2084, 2605, 4168, 5210, 10420, 20773, 20840, 24487, 41546, 48974, 83092, 97948, 103865, 122435, 166184, 195896, 207730, 244870, 415460, 489740, 830920, 976331, 979480, 1952662, 3905324, 4881655, 7810648, 9763310, 10822733, 19526620, 21645466, 39053240, 43290932, 54113665, 86581864, 108227330, 216454660, 432909320, 508668451, 1017336902, 2034673804, 2543342255, 4069347608, 5086684510, 10173369020, 20346738040]

約数ペア:

[(1, 20346738040), (2, 10173369020), (4, 5086684510), (5, 4069347608), (8, 2543342255), (10, 2034673804), (20, 1017336902), (40, 508668451), (47, 432909320), (94, 216454660), (188, 108227330), (235, 86581864), (376, 54113665), (470, 43290932), (521, 39053240), (940, 21645466), (1042, 19526620), (1880, 10822733), (2084, 9763310), (2605, 7810648), (4168, 4881655), (5210, 3905324), (10420, 1952662), (20773, 979480), (20840, 976331), (24487, 830920), (41546, 489740), (48974, 415460), (83092, 244870), (97948, 207730), (103865, 195896), (122435, 166184)]