20122386910

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4919899}}^1$

素因数の和:4920315

約数の個数: 16

約数和(自身を含む): 36308862000

約数和(自身を除く): 16186475090

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4919899, 9839798, 24599495, 49198990, 2012238691, 4024477382, 10061193455, 20122386910]

約数ペア:

[(1, 20122386910), (2, 10061193455), (5, 4024477382), (10, 2012238691), (409, 49198990), (818, 24599495), (2045, 9839798), (4090, 4919899)]