20527730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18352270

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 599, 745, 1198, 1490, 2995, 3427, 5990, 6854, 13777, 17135, 27554, 34270, 68885, 89251, 137770, 178502, 446255, 892510, 2052773, 4105546, 10263865, 20527730]

約数ペア:

[(1, 20527730), (2, 10263865), (5, 4105546), (10, 2052773), (23, 892510), (46, 446255), (115, 178502), (149, 137770), (230, 89251), (298, 68885), (599, 34270), (745, 27554), (1198, 17135), (1490, 13777), (2995, 6854), (3427, 5990)]