20575009005

素因数分解:

$3^1\times 5^1\times {\mathrm{12721}}^1\times {\mathrm{107827}}^1$

素因数の和:120556

約数の個数: 16

約数和(自身を含む): 32922907584

約数和(自身を除く): 12347898579

約数列:

[1, 3, 5, 15, 12721, 38163, 63605, 107827, 190815, 323481, 539135, 1617405, 1371667267, 4115001801, 6858336335, 20575009005]

約数ペア:

[(1, 20575009005), (3, 6858336335), (5, 4115001801), (15, 1371667267), (12721, 1617405), (38163, 539135), (63605, 323481), (107827, 190815)]