20557064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2957}}^1$

素因数の和:3053

約数の個数: 32

約数和(自身を含む): 42595200

約数和(自身を除く): 22038136

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 2957, 3476, 5914, 6952, 11828, 23656, 32527, 65054, 130108, 233603, 260216, 467206, 934412, 1868824, 2569633, 5139266, 10278532, 20557064]

約数ペア:

[(1, 20557064), (2, 10278532), (4, 5139266), (8, 2569633), (11, 1868824), (22, 934412), (44, 467206), (79, 260216), (88, 233603), (158, 130108), (316, 65054), (632, 32527), (869, 23656), (1738, 11828), (2957, 6952), (3476, 5914)]