20758890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3823}}^1$

素因数の和:4014

約数の個数: 32

約数和(自身を含む): 50109696

約数和(自身を除く): 29350806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 181, 362, 543, 905, 1086, 1810, 2715, 3823, 5430, 7646, 11469, 19115, 22938, 38230, 57345, 114690, 691963, 1383926, 2075889, 3459815, 4151778, 6919630, 10379445, 20758890]

約数ペア:

[(1, 20758890), (2, 10379445), (3, 6919630), (5, 4151778), (6, 3459815), (10, 2075889), (15, 1383926), (30, 691963), (181, 114690), (362, 57345), (543, 38230), (905, 22938), (1086, 19115), (1810, 11469), (2715, 7646), (3823, 5430)]