20376459

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 30944160

約数和(自身を除く): 10567701

約数列:

[1, 3, 9, 23, 69, 173, 207, 519, 569, 1557, 1707, 3979, 5121, 11937, 13087, 35811, 39261, 98437, 117783, 295311, 885933, 2264051, 6792153, 20376459]

約数ペア:

[(1, 20376459), (3, 6792153), (9, 2264051), (23, 885933), (69, 295311), (173, 117783), (207, 98437), (519, 39261), (569, 35811), (1557, 13087), (1707, 11937), (3979, 5121)]