20119240

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3331}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 45581760

約数和(自身を除く): 25462520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3331, 6040, 6662, 13324, 16655, 26648, 33310, 66620, 133240, 502981, 1005962, 2011924, 2514905, 4023848, 5029810, 10059620, 20119240]

約数ペア:

[(1, 20119240), (2, 10059620), (4, 5029810), (5, 4023848), (8, 2514905), (10, 2011924), (20, 1005962), (40, 502981), (151, 133240), (302, 66620), (604, 33310), (755, 26648), (1208, 16655), (1510, 13324), (3020, 6662), (3331, 6040)]