20022945

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 33093120

約数和(自身を除く): 13070175

約数列:

[1, 3, 5, 15, 61, 79, 183, 237, 277, 305, 395, 831, 915, 1185, 1385, 4155, 4819, 14457, 16897, 21883, 24095, 50691, 65649, 72285, 84485, 109415, 253455, 328245, 1334863, 4004589, 6674315, 20022945]

約数ペア:

[(1, 20022945), (3, 6674315), (5, 4004589), (15, 1334863), (61, 328245), (79, 253455), (183, 109415), (237, 84485), (277, 72285), (305, 65649), (395, 50691), (831, 24095), (915, 21883), (1185, 16897), (1385, 14457), (4155, 4819)]