20174600

素因数分解:

$2^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 47290500

約数和(自身を除く): 27115900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 298, 596, 677, 745, 1192, 1354, 1490, 2708, 2980, 3385, 3725, 5416, 5960, 6770, 7450, 13540, 14900, 16925, 27080, 29800, 33850, 67700, 100873, 135400, 201746, 403492, 504365, 806984, 1008730, 2017460, 2521825, 4034920, 5043650, 10087300, 20174600]

約数ペア:

[(1, 20174600), (2, 10087300), (4, 5043650), (5, 4034920), (8, 2521825), (10, 2017460), (20, 1008730), (25, 806984), (40, 504365), (50, 403492), (100, 201746), (149, 135400), (200, 100873), (298, 67700), (596, 33850), (677, 29800), (745, 27080), (1192, 16925), (1354, 14900), (1490, 13540), (2708, 7450), (2980, 6770), (3385, 5960), (3725, 5416)]