11720420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{11057}}^1$

素因数の和:11119

約数の個数: 24

約数和(自身を含む): 25079544

約数和(自身を除く): 13359124

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 11057, 22114, 44228, 55285, 110570, 221140, 586021, 1172042, 2344084, 2930105, 5860210, 11720420]

約数ペア:

[(1, 11720420), (2, 5860210), (4, 2930105), (5, 2344084), (10, 1172042), (20, 586021), (53, 221140), (106, 110570), (212, 55285), (265, 44228), (530, 22114), (1060, 11057)]