20389226

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6518

約数の個数: 24

約数和(自身を含む): 36208452

約数和(自身を除く): 15819226

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 6481, 12962, 71291, 84253, 142582, 168506, 784201, 926783, 1568402, 1853566, 10194613, 20389226]

約数ペア:

[(1, 20389226), (2, 10194613), (11, 1853566), (13, 1568402), (22, 926783), (26, 784201), (121, 168506), (143, 142582), (242, 84253), (286, 71291), (1573, 12962), (3146, 6481)]