20770075

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^2$

素因数の和:331

約数の個数: 18

約数和(自身を含む): 26544804

約数和(自身を除く): 5774729

約数列:

[1, 5, 25, 43, 139, 215, 695, 1075, 3475, 5977, 19321, 29885, 96605, 149425, 483025, 830803, 4154015, 20770075]

約数ペア:

[(1, 20770075), (5, 4154015), (25, 830803), (43, 483025), (139, 149425), (215, 96605), (695, 29885), (1075, 19321), (3475, 5977)]