20555356

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3527}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 37933056

約数和(自身を除く): 17377700

約数列:

[1, 2, 4, 31, 47, 62, 94, 124, 188, 1457, 2914, 3527, 5828, 7054, 14108, 109337, 165769, 218674, 331538, 437348, 663076, 5138839, 10277678, 20555356]

約数ペア:

[(1, 20555356), (2, 10277678), (4, 5138839), (31, 663076), (47, 437348), (62, 331538), (94, 218674), (124, 165769), (188, 109337), (1457, 14108), (2914, 7054), (3527, 5828)]