20997350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38177}}^1$

素因数の和:38200

約数の個数: 24

約数和(自身を含む): 42606648

約数和(自身を除く): 21609298

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38177, 76354, 190885, 381770, 419947, 839894, 954425, 1908850, 2099735, 4199470, 10498675, 20997350]

約数ペア:

[(1, 20997350), (2, 10498675), (5, 4199470), (10, 2099735), (11, 1908850), (22, 954425), (25, 839894), (50, 419947), (55, 381770), (110, 190885), (275, 76354), (550, 38177)]