20451864

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{10267}}^1$

素因数の和:10359

約数の個数: 32

約数和(自身を含む): 51750720

約数和(自身を除く): 31298856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 10267, 20534, 30801, 41068, 61602, 82136, 123204, 246408, 852161, 1704322, 2556483, 3408644, 5112966, 6817288, 10225932, 20451864]

約数ペア:

[(1, 20451864), (2, 10225932), (3, 6817288), (4, 5112966), (6, 3408644), (8, 2556483), (12, 1704322), (24, 852161), (83, 246408), (166, 123204), (249, 82136), (332, 61602), (498, 41068), (664, 30801), (996, 20534), (1992, 10267)]