20196777503

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{128399}}^1$

素因数の和:129406

約数の個数: 16

約数和(自身を含む): 24110438400

約数和(自身を除く): 3913660897

約数列:

[1, 7, 23, 161, 977, 6839, 22471, 128399, 157297, 898793, 2953177, 20672239, 125445823, 878120761, 2885253929, 20196777503]

約数ペア:

[(1, 20196777503), (7, 2885253929), (23, 878120761), (161, 125445823), (977, 20672239), (6839, 2953177), (22471, 898793), (128399, 157297)]