20482790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1792

約数の個数: 32

約数和(自身を含む): 39610944

約数和(自身を除く): 19128154

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 1697, 2414, 3394, 6035, 8485, 12070, 16970, 28849, 57698, 120487, 144245, 240974, 288490, 602435, 1204870, 2048279, 4096558, 10241395, 20482790]

約数ペア:

[(1, 20482790), (2, 10241395), (5, 4096558), (10, 2048279), (17, 1204870), (34, 602435), (71, 288490), (85, 240974), (142, 144245), (170, 120487), (355, 57698), (710, 28849), (1207, 16970), (1697, 12070), (2414, 8485), (3394, 6035)]