20947524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2857}}^1$

素因数の和:2924

約数の個数: 48

約数和(自身を含む): 53776128

約数和(自身を除く): 32828604

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2857, 3666, 5714, 7332, 8571, 11428, 17142, 34284, 37141, 74282, 111423, 134279, 148564, 222846, 268558, 402837, 445692, 537116, 805674, 1611348, 1745627, 3491254, 5236881, 6982508, 10473762, 20947524]

約数ペア:

[(1, 20947524), (2, 10473762), (3, 6982508), (4, 5236881), (6, 3491254), (12, 1745627), (13, 1611348), (26, 805674), (39, 537116), (47, 445692), (52, 402837), (78, 268558), (94, 222846), (141, 148564), (156, 134279), (188, 111423), (282, 74282), (564, 37141), (611, 34284), (1222, 17142), (1833, 11428), (2444, 8571), (2857, 7332), (3666, 5714)]