20198853212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1891987}}^1$

素因数の和:1892165

約数の個数: 24

約数和(自身を含む): 37665697104

約数和(自身を除く): 17466843892

約数列:

[1, 2, 4, 17, 34, 68, 157, 314, 628, 2669, 5338, 10676, 1891987, 3783974, 7567948, 32163779, 64327558, 128655116, 297041959, 594083918, 1188167836, 5049713303, 10099426606, 20198853212]

約数ペア:

[(1, 20198853212), (2, 10099426606), (4, 5049713303), (17, 1188167836), (34, 594083918), (68, 297041959), (157, 128655116), (314, 64327558), (628, 32163779), (2669, 7567948), (5338, 3783974), (10676, 1891987)]