20987150854

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{5861}}^1$

素因数の和:6252

約数の個数: 32

約数和(自身を含む): 32333478912

約数和(自身を除く): 11346328058

約数列:

[1, 2, 71, 142, 151, 167, 302, 334, 5861, 10721, 11722, 11857, 21442, 23714, 25217, 50434, 416131, 832262, 885011, 978787, 1770022, 1790407, 1957574, 3580814, 62835781, 69493877, 125671562, 138987754, 147796837, 295593674, 10493575427, 20987150854]

約数ペア:

[(1, 20987150854), (2, 10493575427), (71, 295593674), (142, 147796837), (151, 138987754), (167, 125671562), (302, 69493877), (334, 62835781), (5861, 3580814), (10721, 1957574), (11722, 1790407), (11857, 1770022), (21442, 978787), (23714, 885011), (25217, 832262), (50434, 416131)]