20021790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3163}}^1$

素因数の和:3384

約数の個数: 32

約数和(自身を含む): 48295296

約数和(自身を除く): 28273506

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3163, 3165, 6326, 6330, 9489, 15815, 18978, 31630, 47445, 94890, 667393, 1334786, 2002179, 3336965, 4004358, 6673930, 10010895, 20021790]

約数ペア:

[(1, 20021790), (2, 10010895), (3, 6673930), (5, 4004358), (6, 3336965), (10, 2002179), (15, 1334786), (30, 667393), (211, 94890), (422, 47445), (633, 31630), (1055, 18978), (1266, 15815), (2110, 9489), (3163, 6330), (3165, 6326)]