20001316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1319}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 17254364

約数列:

[1, 2, 4, 17, 34, 68, 223, 446, 892, 1319, 2638, 3791, 5276, 7582, 15164, 22423, 44846, 89692, 294137, 588274, 1176548, 5000329, 10000658, 20001316]

約数ペア:

[(1, 20001316), (2, 10000658), (4, 5000329), (17, 1176548), (34, 588274), (68, 294137), (223, 89692), (446, 44846), (892, 22423), (1319, 15164), (2638, 7582), (3791, 5276)]