20864211265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{929}}^1\times {\mathrm{264221}}^1$

素因数の和:265172

約数の個数: 16

約数和(自身を含む): 26538457680

約数和(自身を除く): 5674246415

約数列:

[1, 5, 17, 85, 929, 4645, 15793, 78965, 264221, 1321105, 4491757, 22458785, 245461309, 1227306545, 4172842253, 20864211265]

約数ペア:

[(1, 20864211265), (5, 4172842253), (17, 1227306545), (85, 245461309), (929, 22458785), (4645, 4491757), (15793, 1321105), (78965, 264221)]