20838004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11551}}^1$

素因数の和:11607

約数の個数: 24

約数和(自身を含む): 40755456

約数和(自身を除く): 19917452

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11551, 23102, 46204, 127061, 254122, 473591, 508244, 947182, 1894364, 5209501, 10419002, 20838004]

約数ペア:

[(1, 20838004), (2, 10419002), (4, 5209501), (11, 1894364), (22, 947182), (41, 508244), (44, 473591), (82, 254122), (164, 127061), (451, 46204), (902, 23102), (1804, 11551)]