19912780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58567}}^1$

素因数の和:58593

約数の個数: 24

約数和(自身を含む): 44277408

約数和(自身を除く): 24364628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58567, 117134, 234268, 292835, 585670, 995639, 1171340, 1991278, 3982556, 4978195, 9956390, 19912780]

約数ペア:

[(1, 19912780), (2, 9956390), (4, 4978195), (5, 3982556), (10, 1991278), (17, 1171340), (20, 995639), (34, 585670), (68, 292835), (85, 234268), (170, 117134), (340, 58567)]