20195475

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4019}}^1$

素因数の和:4099

約数の個数: 24

約数和(自身を含む): 33896640

約数和(自身を除く): 13701165

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4019, 5025, 12057, 20095, 60285, 100475, 269273, 301425, 807819, 1346365, 4039095, 6731825, 20195475]

約数ペア:

[(1, 20195475), (3, 6731825), (5, 4039095), (15, 1346365), (25, 807819), (67, 301425), (75, 269273), (201, 100475), (335, 60285), (1005, 20095), (1675, 12057), (4019, 5025)]