20998830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699961}}^1$

素因数の和:699971

約数の個数: 16

約数和(自身を含む): 50397264

約数和(自身を除く): 29398434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699961, 1399922, 2099883, 3499805, 4199766, 6999610, 10499415, 20998830]

約数ペア:

[(1, 20998830), (2, 10499415), (3, 6999610), (5, 4199766), (6, 3499805), (10, 2099883), (15, 1399922), (30, 699961)]