20157889468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{4027}}^1\times {\mathrm{73613}}^1$

素因数の和:77661

約数の個数: 24

約数和(自身を含む): 37361166192

約数和(自身を除く): 17203276724

約数列:

[1, 2, 4, 17, 34, 68, 4027, 8054, 16108, 68459, 73613, 136918, 147226, 273836, 294452, 1251421, 2502842, 5005684, 296439551, 592879102, 1185758204, 5039472367, 10078944734, 20157889468]

約数ペア:

[(1, 20157889468), (2, 10078944734), (4, 5039472367), (17, 1185758204), (34, 592879102), (68, 296439551), (4027, 5005684), (8054, 2502842), (16108, 1251421), (68459, 294452), (73613, 273836), (136918, 147226)]