20529870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{684329}}^1$

素因数の和:684339

約数の個数: 16

約数和(自身を含む): 49271760

約数和(自身を除く): 28741890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 684329, 1368658, 2052987, 3421645, 4105974, 6843290, 10264935, 20529870]

約数ペア:

[(1, 20529870), (2, 10264935), (3, 6843290), (5, 4105974), (6, 3421645), (10, 2052987), (15, 1368658), (30, 684329)]