20443400

素因数分解:

$2^3\times 5^2\times {\mathrm{102217}}^1$

素因数の和:102233

約数の個数: 24

約数和(自身を含む): 47531370

約数和(自身を除く): 27087970

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102217, 204434, 408868, 511085, 817736, 1022170, 2044340, 2555425, 4088680, 5110850, 10221700, 20443400]

約数ペア:

[(1, 20443400), (2, 10221700), (4, 5110850), (5, 4088680), (8, 2555425), (10, 2044340), (20, 1022170), (25, 817736), (40, 511085), (50, 408868), (100, 204434), (200, 102217)]