22161940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15607}}^1$

素因数の和:15687

約数の個数: 24

約数和(自身を含む): 47198592

約数和(自身を除く): 25036652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15607, 31214, 62428, 78035, 156070, 312140, 1108097, 2216194, 4432388, 5540485, 11080970, 22161940]

約数ペア:

[(1, 22161940), (2, 11080970), (4, 5540485), (5, 4432388), (10, 2216194), (20, 1108097), (71, 312140), (142, 156070), (284, 78035), (355, 62428), (710, 31214), (1420, 15607)]