20468553

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23773}}^1$

素因数の和:23824

約数の個数: 16

約数和(自身を含む): 31952256

約数和(自身を除く): 11483703

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23773, 71319, 166411, 499233, 974693, 2924079, 6822851, 20468553]

約数ペア:

[(1, 20468553), (3, 6822851), (7, 2924079), (21, 974693), (41, 499233), (123, 166411), (287, 71319), (861, 23773)]