27660020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81353}}^1$

素因数の和:81379

約数の個数: 24

約数和(自身を含む): 61503624

約数和(自身を除く): 33843604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81353, 162706, 325412, 406765, 813530, 1383001, 1627060, 2766002, 5532004, 6915005, 13830010, 27660020]

約数ペア:

[(1, 27660020), (2, 13830010), (4, 6915005), (5, 5532004), (10, 2766002), (17, 1627060), (20, 1383001), (34, 813530), (68, 406765), (85, 325412), (170, 162706), (340, 81353)]