20523508

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 36923040

約数和(自身を除く): 16399532

約数列:

[1, 2, 4, 53, 106, 131, 212, 262, 524, 739, 1478, 2956, 6943, 13886, 27772, 39167, 78334, 96809, 156668, 193618, 387236, 5130877, 10261754, 20523508]

約数ペア:

[(1, 20523508), (2, 10261754), (4, 5130877), (53, 387236), (106, 193618), (131, 156668), (212, 96809), (262, 78334), (524, 39167), (739, 27772), (1478, 13886), (2956, 6943)]