20568310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2243}}^1$

素因数の和:2388

約数の個数: 32

約数和(自身を含む): 42653952

約数和(自身を除く): 22085642

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2243, 4486, 4585, 9170, 11215, 15701, 22430, 31402, 78505, 157010, 293833, 587666, 1469165, 2056831, 2938330, 4113662, 10284155, 20568310]

約数ペア:

[(1, 20568310), (2, 10284155), (5, 4113662), (7, 2938330), (10, 2056831), (14, 1469165), (35, 587666), (70, 293833), (131, 157010), (262, 78505), (655, 31402), (917, 22430), (1310, 15701), (1834, 11215), (2243, 9170), (4486, 4585)]