20435290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22961}}^1$

素因数の和:23057

約数の個数: 16

約数和(自身を含む): 37198440

約数和(自身を除く): 16763150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22961, 45922, 114805, 229610, 2043529, 4087058, 10217645, 20435290]

約数ペア:

[(1, 20435290), (2, 10217645), (5, 4087058), (10, 2043529), (89, 229610), (178, 114805), (445, 45922), (890, 22961)]