20157962561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{191}}^1\times {\mathrm{5189}}^1$

素因数の和:5477

約数の個数: 24

約数和(自身を含む): 22636039680

約数和(自身を除く): 2478077119

約数列:

[1, 11, 43, 191, 473, 1849, 2101, 5189, 8213, 20339, 57079, 90343, 223127, 353159, 991099, 2454397, 3884749, 9594461, 10902089, 42617257, 105539071, 468789827, 1832542051, 20157962561]

約数ペア:

[(1, 20157962561), (11, 1832542051), (43, 468789827), (191, 105539071), (473, 42617257), (1849, 10902089), (2101, 9594461), (5189, 3884749), (8213, 2454397), (20339, 991099), (57079, 353159), (90343, 223127)]