20262815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1019}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 25189920

約数和(自身を除く): 4927105

約数列:

[1, 5, 41, 97, 205, 485, 1019, 3977, 5095, 19885, 41779, 98843, 208895, 494215, 4052563, 20262815]

約数ペア:

[(1, 20262815), (5, 4052563), (41, 494215), (97, 208895), (205, 98843), (485, 41779), (1019, 19885), (3977, 5095)]