20157564217

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{471533}}^1$

素因数の和:471768

約数の個数: 16

約数和(自身を含む): 23901115392

約数和(自身を除く): 3743551175

約数列:

[1, 7, 31, 197, 217, 1379, 6107, 42749, 471533, 3300731, 14617523, 92892001, 102322661, 650244007, 2879652031, 20157564217]

約数ペア:

[(1, 20157564217), (7, 2879652031), (31, 650244007), (197, 102322661), (217, 92892001), (1379, 14617523), (6107, 3300731), (42749, 471533)]