20648688

素因数分解:

$2^4\times 3^1\times {\mathrm{277}}^1\times {\mathrm{1553}}^1$

素因数の和:1841

約数の個数: 40

約数和(自身を含む): 53569488

約数和(自身を除く): 32920800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 277, 554, 831, 1108, 1553, 1662, 2216, 3106, 3324, 4432, 4659, 6212, 6648, 9318, 12424, 13296, 18636, 24848, 37272, 74544, 430181, 860362, 1290543, 1720724, 2581086, 3441448, 5162172, 6882896, 10324344, 20648688]

約数ペア:

[(1, 20648688), (2, 10324344), (3, 6882896), (4, 5162172), (6, 3441448), (8, 2581086), (12, 1720724), (16, 1290543), (24, 860362), (48, 430181), (277, 74544), (554, 37272), (831, 24848), (1108, 18636), (1553, 13296), (1662, 12424), (2216, 9318), (3106, 6648), (3324, 6212), (4432, 4659)]