20826200

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 48947760

約数和(自身を除く): 28121560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1031, 2020, 2062, 2525, 4040, 4124, 5050, 5155, 8248, 10100, 10310, 20200, 20620, 25775, 41240, 51550, 103100, 104131, 206200, 208262, 416524, 520655, 833048, 1041310, 2082620, 2603275, 4165240, 5206550, 10413100, 20826200]

約数ペア:

[(1, 20826200), (2, 10413100), (4, 5206550), (5, 4165240), (8, 2603275), (10, 2082620), (20, 1041310), (25, 833048), (40, 520655), (50, 416524), (100, 208262), (101, 206200), (200, 104131), (202, 103100), (404, 51550), (505, 41240), (808, 25775), (1010, 20620), (1031, 20200), (2020, 10310), (2062, 10100), (2525, 8248), (4040, 5155), (4124, 5050)]