20446844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 40715136

約数和(自身を除く): 20268292

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 101, 107, 172, 202, 214, 404, 428, 473, 946, 1111, 1177, 1892, 2222, 2354, 4343, 4444, 4601, 4708, 8686, 9202, 10807, 17372, 18404, 21614, 43228, 47773, 50611, 95546, 101222, 118877, 191092, 202444, 237754, 464701, 475508, 929402, 1858804, 5111711, 10223422, 20446844]

約数ペア:

[(1, 20446844), (2, 10223422), (4, 5111711), (11, 1858804), (22, 929402), (43, 475508), (44, 464701), (86, 237754), (101, 202444), (107, 191092), (172, 118877), (202, 101222), (214, 95546), (404, 50611), (428, 47773), (473, 43228), (946, 21614), (1111, 18404), (1177, 17372), (1892, 10807), (2222, 9202), (2354, 8686), (4343, 4708), (4444, 4601)]