20041268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8963}}^1$

素因数の和:9023

約数の個数: 24

約数和(自身を含む): 38652768

約数和(自身を除く): 18611500

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8963, 17926, 35852, 116519, 233038, 385409, 466076, 770818, 1541636, 5010317, 10020634, 20041268]

約数ペア:

[(1, 20041268), (2, 10020634), (4, 5010317), (13, 1541636), (26, 770818), (43, 466076), (52, 385409), (86, 233038), (172, 116519), (559, 35852), (1118, 17926), (2236, 8963)]