20512695578

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1\times {\mathrm{310789}}^1$

素因数の和:311393

約数の個数: 16

約数和(自身を含む): 31331361480

約数和(自身を除く): 10818665902

約数列:

[1, 2, 61, 122, 541, 1082, 33001, 66002, 310789, 621578, 18958129, 37916258, 168136849, 336273698, 10256347789, 20512695578]

約数ペア:

[(1, 20512695578), (2, 10256347789), (61, 336273698), (122, 168136849), (541, 37916258), (1082, 18958129), (33001, 621578), (66002, 310789)]