20565404152

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8895071}}^1$

素因数の和:8895111

約数の個数: 24

約数和(自身を含む): 40961806560

約数和(自身を除く): 20396402408

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8895071, 17790142, 35580284, 71160568, 151216207, 302432414, 604864828, 1209729656, 2570675519, 5141351038, 10282702076, 20565404152]

約数ペア:

[(1, 20565404152), (2, 10282702076), (4, 5141351038), (8, 2570675519), (17, 1209729656), (34, 604864828), (68, 302432414), (136, 151216207), (289, 71160568), (578, 35580284), (1156, 17790142), (2312, 8895071)]