20115888928

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2175161}}^1$

素因数の和:2175205

約数の個数: 36

約数和(自身を含む): 42069808242

約数和(自身を除く): 21953919314

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 4624, 9248, 2175161, 4350322, 8700644, 17401288, 34802576, 36977737, 69605152, 73955474, 147910948, 295821896, 591643792, 628621529, 1183287584, 1257243058, 2514486116, 5028972232, 10057944464, 20115888928]

約数ペア:

[(1, 20115888928), (2, 10057944464), (4, 5028972232), (8, 2514486116), (16, 1257243058), (17, 1183287584), (32, 628621529), (34, 591643792), (68, 295821896), (136, 147910948), (272, 73955474), (289, 69605152), (544, 36977737), (578, 34802576), (1156, 17401288), (2312, 8700644), (4624, 4350322), (9248, 2175161)]