20786444

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43669}}^1$

素因数の和:43697

約数の個数: 24

約数和(自身を含む): 44019360

約数和(自身を除く): 23232916

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43669, 87338, 174676, 305683, 611366, 742373, 1222732, 1484746, 2969492, 5196611, 10393222, 20786444]

約数ペア:

[(1, 20786444), (2, 10393222), (4, 5196611), (7, 2969492), (14, 1484746), (17, 1222732), (28, 742373), (34, 611366), (68, 305683), (119, 174676), (238, 87338), (476, 43669)]