200021885

素因数分解:

$5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{29921}}^1$

素因数の和:30124

約数の個数: 16

約数和(自身を含む): 275761152

約数和(自身を除く): 75739267

約数列:

[1, 5, 7, 35, 191, 955, 1337, 6685, 29921, 149605, 209447, 1047235, 5714911, 28574555, 40004377, 200021885]

約数ペア:

[(1, 200021885), (5, 40004377), (7, 28574555), (35, 5714911), (191, 1047235), (955, 209447), (1337, 149605), (6685, 29921)]