20710945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3259}}^1$

素因数の和:3336

約数の個数: 16

約数和(自身を含む): 26288640

約数和(自身を除く): 5577695

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3259, 6355, 16295, 101029, 133619, 505145, 668095, 4142189, 20710945]

約数ペア:

[(1, 20710945), (5, 4142189), (31, 668095), (41, 505145), (155, 133619), (205, 101029), (1271, 16295), (3259, 6355)]