20115075

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4003}}^1$

素因数の和:4083

約数の個数: 24

約数和(自身を含む): 33761728

約数和(自身を除く): 13646653

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4003, 5025, 12009, 20015, 60045, 100075, 268201, 300225, 804603, 1341005, 4023015, 6705025, 20115075]

約数ペア:

[(1, 20115075), (3, 6705025), (5, 4023015), (15, 1341005), (25, 804603), (67, 300225), (75, 268201), (201, 100075), (335, 60045), (1005, 20015), (1675, 12009), (4003, 5025)]