16815620

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2423}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 35429184

約数和(自身を除く): 18613564

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2423, 3470, 4846, 6940, 9692, 12115, 24230, 48460, 840781, 1681562, 3363124, 4203905, 8407810, 16815620]

約数ペア:

[(1, 16815620), (2, 8407810), (4, 4203905), (5, 3363124), (10, 1681562), (20, 840781), (347, 48460), (694, 24230), (1388, 12115), (1735, 9692), (2423, 6940), (3470, 4846)]