20377126

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 40142592

約数和(自身を除く): 19765466

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 242, 253, 322, 506, 523, 847, 1046, 1694, 1771, 2783, 3542, 3661, 5566, 5753, 7322, 11506, 12029, 19481, 24058, 38962, 40271, 63283, 80542, 84203, 126566, 132319, 168406, 264638, 442981, 885962, 926233, 1455509, 1852466, 2911018, 10188563, 20377126]

約数ペア:

[(1, 20377126), (2, 10188563), (7, 2911018), (11, 1852466), (14, 1455509), (22, 926233), (23, 885962), (46, 442981), (77, 264638), (121, 168406), (154, 132319), (161, 126566), (242, 84203), (253, 80542), (322, 63283), (506, 40271), (523, 38962), (847, 24058), (1046, 19481), (1694, 12029), (1771, 11506), (2783, 7322), (3542, 5753), (3661, 5566)]