20291380

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6719}}^1$

素因数の和:6879

約数の個数: 24

約数和(自身を含む): 42900480

約数和(自身を除く): 22609100

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6719, 13438, 26876, 33595, 67190, 134380, 1014569, 2029138, 4058276, 5072845, 10145690, 20291380]

約数ペア:

[(1, 20291380), (2, 10145690), (4, 5072845), (5, 4058276), (10, 2029138), (20, 1014569), (151, 134380), (302, 67190), (604, 33595), (755, 26876), (1510, 13438), (3020, 6719)]