20188545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5449}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 36624000

約数和(自身を除く): 16435455

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5449, 16347, 27245, 70837, 81735, 103531, 212511, 310593, 354185, 517655, 1062555, 1345903, 1552965, 4037709, 6729515, 20188545]

約数ペア:

[(1, 20188545), (3, 6729515), (5, 4037709), (13, 1552965), (15, 1345903), (19, 1062555), (39, 517655), (57, 354185), (65, 310593), (95, 212511), (195, 103531), (247, 81735), (285, 70837), (741, 27245), (1235, 16347), (3705, 5449)]