220152820

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{17957}}^1$

素因数の和:18579

約数の個数: 24

約数和(自身を含む): 463100904

約数和(自身を除く): 242948084

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 12260, 17957, 35914, 71828, 89785, 179570, 359140, 11007641, 22015282, 44030564, 55038205, 110076410, 220152820]

約数ペア:

[(1, 220152820), (2, 110076410), (4, 55038205), (5, 44030564), (10, 22015282), (20, 11007641), (613, 359140), (1226, 179570), (2452, 89785), (3065, 71828), (6130, 35914), (12260, 17957)]