20174396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10663}}^1$

素因数の和:10721

約数の個数: 24

約数和(自身を含む): 39414144

約数和(自身を除く): 19239748

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10663, 21326, 42652, 117293, 234586, 458509, 469172, 917018, 1834036, 5043599, 10087198, 20174396]

約数ペア:

[(1, 20174396), (2, 10087198), (4, 5043599), (11, 1834036), (22, 917018), (43, 469172), (44, 458509), (86, 234586), (172, 117293), (473, 42652), (946, 21326), (1892, 10663)]