20371820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145513}}^1$

素因数の和:145529

約数の個数: 24

約数和(自身を含む): 48892704

約数和(自身を除く): 28520884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145513, 291026, 582052, 727565, 1018591, 1455130, 2037182, 2910260, 4074364, 5092955, 10185910, 20371820]

約数ペア:

[(1, 20371820), (2, 10185910), (4, 5092955), (5, 4074364), (7, 2910260), (10, 2037182), (14, 1455130), (20, 1018591), (28, 727565), (35, 582052), (70, 291026), (140, 145513)]