20910390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697013}}^1$

素因数の和:697023

約数の個数: 16

約数和(自身を含む): 50185008

約数和(自身を除く): 29274618

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697013, 1394026, 2091039, 3485065, 4182078, 6970130, 10455195, 20910390]

約数ペア:

[(1, 20910390), (2, 10455195), (3, 6970130), (5, 4182078), (6, 3485065), (10, 2091039), (15, 1394026), (30, 697013)]