20465712

素因数分解:

$2^4\times 3^2\times {\mathrm{142123}}^1$

素因数の和:142137

約数の個数: 30

約数和(自身を含む): 57275972

約数和(自身を除く): 36810260

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142123, 284246, 426369, 568492, 852738, 1136984, 1279107, 1705476, 2273968, 2558214, 3410952, 5116428, 6821904, 10232856, 20465712]

約数ペア:

[(1, 20465712), (2, 10232856), (3, 6821904), (4, 5116428), (6, 3410952), (8, 2558214), (9, 2273968), (12, 1705476), (16, 1279107), (18, 1136984), (24, 852738), (36, 568492), (48, 426369), (72, 284246), (144, 142123)]