20533565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3067}}^1$

素因数の和:3188

約数の個数: 16

約数和(自身を含む): 26802048

約数和(自身を除く): 6268483

約数列:

[1, 5, 13, 65, 103, 515, 1339, 3067, 6695, 15335, 39871, 199355, 315901, 1579505, 4106713, 20533565]

約数ペア:

[(1, 20533565), (5, 4106713), (13, 1579505), (65, 315901), (103, 199355), (515, 39871), (1339, 15335), (3067, 6695)]