20198207771

素因数分解:

$7^1\times {\mathrm{233}}^1\times {\mathrm{1091}}^1\times {\mathrm{11351}}^1$

素因数の和:12682

約数の個数: 16

約数和(自身を含む): 23206030848

約数和(自身を除く): 3007823077

約数列:

[1, 7, 233, 1091, 1631, 7637, 11351, 79457, 254203, 1779421, 2644783, 12383941, 18513481, 86687587, 2885458253, 20198207771]

約数ペア:

[(1, 20198207771), (7, 2885458253), (233, 86687587), (1091, 18513481), (1631, 12383941), (7637, 2644783), (11351, 1779421), (79457, 254203)]