20463088

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 41180400

約数和(自身を除く): 20717312

約数列:

[1, 2, 4, 8, 16, 53, 59, 106, 118, 212, 236, 409, 424, 472, 818, 848, 944, 1636, 3127, 3272, 6254, 6544, 12508, 21677, 24131, 25016, 43354, 48262, 50032, 86708, 96524, 173416, 193048, 346832, 386096, 1278943, 2557886, 5115772, 10231544, 20463088]

約数ペア:

[(1, 20463088), (2, 10231544), (4, 5115772), (8, 2557886), (16, 1278943), (53, 386096), (59, 346832), (106, 193048), (118, 173416), (212, 96524), (236, 86708), (409, 50032), (424, 48262), (472, 43354), (818, 25016), (848, 24131), (944, 21677), (1636, 12508), (3127, 6544), (3272, 6254)]