20841760

素因数分解:

$2^5\times 5^1\times {\mathrm{130261}}^1$

素因数の和:130276

約数の個数: 24

約数和(自身を含む): 49239036

約数和(自身を除く): 28397276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 130261, 260522, 521044, 651305, 1042088, 1302610, 2084176, 2605220, 4168352, 5210440, 10420880, 20841760]

約数ペア:

[(1, 20841760), (2, 10420880), (4, 5210440), (5, 4168352), (8, 2605220), (10, 2084176), (16, 1302610), (20, 1042088), (32, 651305), (40, 521044), (80, 260522), (160, 130261)]