20947980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349133}}^1$

素因数の和:349145

約数の個数: 24

約数和(自身を含む): 58654512

約数和(自身を除く): 37706532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349133, 698266, 1047399, 1396532, 1745665, 2094798, 3491330, 4189596, 5236995, 6982660, 10473990, 20947980]

約数ペア:

[(1, 20947980), (2, 10473990), (3, 6982660), (4, 5236995), (5, 4189596), (6, 3491330), (10, 2094798), (12, 1745665), (15, 1396532), (20, 1047399), (30, 698266), (60, 349133)]