20994180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349903}}^1$

素因数の和:349915

約数の個数: 24

約数和(自身を含む): 58783872

約数和(自身を除く): 37789692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349903, 699806, 1049709, 1399612, 1749515, 2099418, 3499030, 4198836, 5248545, 6998060, 10497090, 20994180]

約数ペア:

[(1, 20994180), (2, 10497090), (3, 6998060), (4, 5248545), (5, 4198836), (6, 3499030), (10, 2099418), (12, 1749515), (15, 1399612), (20, 1049709), (30, 699806), (60, 349903)]