20615127

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 30225744

約数和(自身を除く): 9610617

約数列:

[1, 3, 13, 39, 73, 169, 219, 507, 557, 949, 1671, 2847, 7241, 12337, 21723, 37011, 40661, 94133, 121983, 282399, 528593, 1585779, 6871709, 20615127]

約数ペア:

[(1, 20615127), (3, 6871709), (13, 1585779), (39, 528593), (73, 282399), (169, 121983), (219, 94133), (507, 40661), (557, 37011), (949, 21723), (1671, 12337), (2847, 7241)]