20215962

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4547}}^1$

素因数の和:4587

約数の個数: 48

約数和(自身を含む): 49664160

約数和(自身を除く): 29448198

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4547, 9094, 13641, 27282, 40923, 59111, 81846, 86393, 118222, 172786, 177333, 259179, 354666, 518358, 531999, 777537, 1063998, 1123109, 1555074, 2246218, 3369327, 6738654, 10107981, 20215962]

約数ペア:

[(1, 20215962), (2, 10107981), (3, 6738654), (6, 3369327), (9, 2246218), (13, 1555074), (18, 1123109), (19, 1063998), (26, 777537), (38, 531999), (39, 518358), (57, 354666), (78, 259179), (114, 177333), (117, 172786), (171, 118222), (234, 86393), (247, 81846), (342, 59111), (494, 40923), (741, 27282), (1482, 13641), (2223, 9094), (4446, 4547)]