2021988820

素因数分解:

$2^2\times 5^1\times {\mathrm{26881}}^1\times {\mathrm{3761}}^1$

素因数の和:30651

約数の個数: 24

約数和(自身を含む): 4247463528

約数和(自身を除く): 2225474708

約数列:

[1, 2, 4, 5, 10, 20, 3761, 7522, 15044, 18805, 26881, 37610, 53762, 75220, 107524, 134405, 268810, 537620, 101099441, 202198882, 404397764, 505497205, 1010994410, 2021988820]

約数ペア:

[(1, 2021988820), (2, 1010994410), (4, 505497205), (5, 404397764), (10, 202198882), (20, 101099441), (3761, 537620), (7522, 268810), (15044, 134405), (18805, 107524), (26881, 75220), (37610, 53762)]