203433520

素因数分解:

$2^4\times 5^1\times {\mathrm{2542919}}^1$

素因数の和:2542932

約数の個数: 20

約数和(自身を含む): 472983120

約数和(自身を除く): 269549600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2542919, 5085838, 10171676, 12714595, 20343352, 25429190, 40686704, 50858380, 101716760, 203433520]

約数ペア:

[(1, 203433520), (2, 101716760), (4, 50858380), (5, 40686704), (8, 25429190), (10, 20343352), (16, 12714595), (20, 10171676), (40, 5085838), (80, 2542919)]