20495436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131381}}^1$

素因数の和:131401

約数の個数: 24

約数和(自身を含む): 51501744

約数和(自身を除く): 31006308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131381, 262762, 394143, 525524, 788286, 1576572, 1707953, 3415906, 5123859, 6831812, 10247718, 20495436]

約数ペア:

[(1, 20495436), (2, 10247718), (3, 6831812), (4, 5123859), (6, 3415906), (12, 1707953), (13, 1576572), (26, 788286), (39, 525524), (52, 394143), (78, 262762), (156, 131381)]