20691756

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18541}}^1$

素因数の和:18582

約数の個数: 36

約数和(自身を含む): 53994304

約数和(自身を除く): 33302548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18541, 37082, 55623, 74164, 111246, 166869, 222492, 333738, 574771, 667476, 1149542, 1724313, 2299084, 3448626, 5172939, 6897252, 10345878, 20691756]

約数ペア:

[(1, 20691756), (2, 10345878), (3, 6897252), (4, 5172939), (6, 3448626), (9, 2299084), (12, 1724313), (18, 1149542), (31, 667476), (36, 574771), (62, 333738), (93, 222492), (124, 166869), (186, 111246), (279, 74164), (372, 55623), (558, 37082), (1116, 18541)]