20677740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344629}}^1$

素因数の和:344641

約数の個数: 24

約数和(自身を含む): 57897840

約数和(自身を除く): 37220100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344629, 689258, 1033887, 1378516, 1723145, 2067774, 3446290, 4135548, 5169435, 6892580, 10338870, 20677740]

約数ペア:

[(1, 20677740), (2, 10338870), (3, 6892580), (4, 5169435), (5, 4135548), (6, 3446290), (10, 2067774), (12, 1723145), (15, 1378516), (20, 1033887), (30, 689258), (60, 344629)]