20863629

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 11553651

約数列:

[1, 3, 9, 27, 41, 47, 123, 141, 369, 401, 423, 1107, 1203, 1269, 1927, 3609, 5781, 10827, 16441, 17343, 18847, 49323, 52029, 56541, 147969, 169623, 443907, 508869, 772727, 2318181, 6954543, 20863629]

約数ペア:

[(1, 20863629), (3, 6954543), (9, 2318181), (27, 772727), (41, 508869), (47, 443907), (123, 169623), (141, 147969), (369, 56541), (401, 52029), (423, 49323), (1107, 18847), (1203, 17343), (1269, 16441), (1927, 10827), (3609, 5781)]