20402912

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15551}}^1$

素因数の和:15602

約数の個数: 24

約数和(自身を含む): 41150592

約数和(自身を除く): 20747680

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15551, 31102, 62204, 124408, 248816, 497632, 637591, 1275182, 2550364, 5100728, 10201456, 20402912]

約数ペア:

[(1, 20402912), (2, 10201456), (4, 5100728), (8, 2550364), (16, 1275182), (32, 637591), (41, 497632), (82, 248816), (164, 124408), (328, 62204), (656, 31102), (1312, 15551)]