20918612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36571}}^1$

素因数の和:36599

約数の個数: 24

約数和(自身を含む): 43008672

約数和(自身を除く): 22090060

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36571, 73142, 146284, 402281, 475423, 804562, 950846, 1609124, 1901692, 5229653, 10459306, 20918612]

約数ペア:

[(1, 20918612), (2, 10459306), (4, 5229653), (11, 1901692), (13, 1609124), (22, 950846), (26, 804562), (44, 475423), (52, 402281), (143, 146284), (286, 73142), (572, 36571)]