20012490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{222361}}^1$

素因数の和:222374

約数の個数: 24

約数和(自身を含む): 52032708

約数和(自身を除く): 32020218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 222361, 444722, 667083, 1111805, 1334166, 2001249, 2223610, 3335415, 4002498, 6670830, 10006245, 20012490]

約数ペア:

[(1, 20012490), (2, 10006245), (3, 6670830), (5, 4002498), (6, 3335415), (9, 2223610), (10, 2001249), (15, 1334166), (18, 1111805), (30, 667083), (45, 444722), (90, 222361)]