20188460

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2909}}^1$

素因数の和:3265

約数の個数: 24

約数和(自身を含む): 42532560

約数和(自身を除く): 22344100

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2909, 3470, 5818, 6940, 11636, 14545, 29090, 58180, 1009423, 2018846, 4037692, 5047115, 10094230, 20188460]

約数ペア:

[(1, 20188460), (2, 10094230), (4, 5047115), (5, 4037692), (10, 2018846), (20, 1009423), (347, 58180), (694, 29090), (1388, 14545), (1735, 11636), (2909, 6940), (3470, 5818)]