20199427240

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1823053}}^1$

素因数の和:1823341

約数の個数: 32

約数和(自身を含む): 45612811080

約数和(自身を除く): 25413383840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 1823053, 3646106, 7292212, 9115265, 14584424, 18230530, 36461060, 72922120, 504985681, 1009971362, 2019942724, 2524928405, 4039885448, 5049856810, 10099713620, 20199427240]

約数ペア:

[(1, 20199427240), (2, 10099713620), (4, 5049856810), (5, 4039885448), (8, 2524928405), (10, 2019942724), (20, 1009971362), (40, 504985681), (277, 72922120), (554, 36461060), (1108, 18230530), (1385, 14584424), (2216, 9115265), (2770, 7292212), (5540, 3646106), (11080, 1823053)]