20636200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7937}}^1$

素因数の和:7966

約数の個数: 48

約数和(自身を含む): 51676380

約数和(自身を除く): 31040180

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7937, 15874, 31748, 39685, 63496, 79370, 103181, 158740, 198425, 206362, 317480, 396850, 412724, 515905, 793700, 825448, 1031810, 1587400, 2063620, 2579525, 4127240, 5159050, 10318100, 20636200]

約数ペア:

[(1, 20636200), (2, 10318100), (4, 5159050), (5, 4127240), (8, 2579525), (10, 2063620), (13, 1587400), (20, 1031810), (25, 825448), (26, 793700), (40, 515905), (50, 412724), (52, 396850), (65, 317480), (100, 206362), (104, 198425), (130, 158740), (200, 103181), (260, 79370), (325, 63496), (520, 39685), (650, 31748), (1300, 15874), (2600, 7937)]