20982804

素因数分解:

$2^2\times 3^1\times {\mathrm{431}}^1\times {\mathrm{4057}}^1$

素因数の和:4495

約数の個数: 24

約数和(自身を含む): 49085568

約数和(自身を除く): 28102764

約数列:

[1, 2, 3, 4, 6, 12, 431, 862, 1293, 1724, 2586, 4057, 5172, 8114, 12171, 16228, 24342, 48684, 1748567, 3497134, 5245701, 6994268, 10491402, 20982804]

約数ペア:

[(1, 20982804), (2, 10491402), (3, 6994268), (4, 5245701), (6, 3497134), (12, 1748567), (431, 48684), (862, 24342), (1293, 16228), (1724, 12171), (2586, 8114), (4057, 5172)]