20485620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113809}}^1$

素因数の和:113824

約数の個数: 36

約数和(自身を含む): 62140260

約数和(自身を除く): 41654640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113809, 227618, 341427, 455236, 569045, 682854, 1024281, 1138090, 1365708, 1707135, 2048562, 2276180, 3414270, 4097124, 5121405, 6828540, 10242810, 20485620]

約数ペア:

[(1, 20485620), (2, 10242810), (3, 6828540), (4, 5121405), (5, 4097124), (6, 3414270), (9, 2276180), (10, 2048562), (12, 1707135), (15, 1365708), (18, 1138090), (20, 1024281), (30, 682854), (36, 569045), (45, 455236), (60, 341427), (90, 227618), (180, 113809)]