20921412

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 51206400

約数和(自身を除く): 30284988

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 79, 87, 116, 158, 174, 237, 316, 348, 474, 761, 948, 1522, 2283, 2291, 3044, 4566, 4582, 6873, 9132, 9164, 13746, 22069, 27492, 44138, 60119, 66207, 88276, 120238, 132414, 180357, 240476, 264828, 360714, 721428, 1743451, 3486902, 5230353, 6973804, 10460706, 20921412]

約数ペア:

[(1, 20921412), (2, 10460706), (3, 6973804), (4, 5230353), (6, 3486902), (12, 1743451), (29, 721428), (58, 360714), (79, 264828), (87, 240476), (116, 180357), (158, 132414), (174, 120238), (237, 88276), (316, 66207), (348, 60119), (474, 44138), (761, 27492), (948, 22069), (1522, 13746), (2283, 9164), (2291, 9132), (3044, 6873), (4566, 4582)]