20535265

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 25233408

約数和(自身を除く): 4698143

約数列:

[1, 5, 73, 127, 365, 443, 635, 2215, 9271, 32339, 46355, 56261, 161695, 281305, 4107053, 20535265]

約数ペア:

[(1, 20535265), (5, 4107053), (73, 281305), (127, 161695), (365, 56261), (443, 46355), (635, 32339), (2215, 9271)]