202141820

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{5431}}^1$

素因数の和:7301

約数の個数: 24

約数和(自身を含む): 424804128

約数和(自身を除く): 222662308

約数列:

[1, 2, 4, 5, 10, 20, 1861, 3722, 5431, 7444, 9305, 10862, 18610, 21724, 27155, 37220, 54310, 108620, 10107091, 20214182, 40428364, 50535455, 101070910, 202141820]

約数ペア:

[(1, 202141820), (2, 101070910), (4, 50535455), (5, 40428364), (10, 20214182), (20, 10107091), (1861, 108620), (3722, 54310), (5431, 37220), (7444, 27155), (9305, 21724), (10862, 18610)]