20449912

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21481}}^1$

素因数の和:21511

約数の個数: 32

約数和(自身を含む): 46401120

約数和(自身を除く): 25951208

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21481, 42962, 85924, 150367, 171848, 300734, 365177, 601468, 730354, 1202936, 1460708, 2556239, 2921416, 5112478, 10224956, 20449912]

約数ペア:

[(1, 20449912), (2, 10224956), (4, 5112478), (7, 2921416), (8, 2556239), (14, 1460708), (17, 1202936), (28, 730354), (34, 601468), (56, 365177), (68, 300734), (119, 171848), (136, 150367), (238, 85924), (476, 42962), (952, 21481)]