20022705

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9467}}^1$

素因数の和:9525

約数の個数: 24

約数和(自身を含む): 35448192

約数和(自身を除く): 15425487

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9467, 28401, 47335, 85203, 142005, 426015, 444949, 1334847, 2224745, 4004541, 6674235, 20022705]

約数ペア:

[(1, 20022705), (3, 6674235), (5, 4004541), (9, 2224745), (15, 1334847), (45, 444949), (47, 426015), (141, 142005), (235, 85203), (423, 47335), (705, 28401), (2115, 9467)]