207815620

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{24799}}^1$

素因数の和:25227

約数の個数: 24

約数和(自身を含む): 437472000

約数和(自身を除く): 229656380

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 24799, 49598, 99196, 123995, 247990, 495980, 10390781, 20781562, 41563124, 51953905, 103907810, 207815620]

約数ペア:

[(1, 207815620), (2, 103907810), (4, 51953905), (5, 41563124), (10, 20781562), (20, 10390781), (419, 495980), (838, 247990), (1676, 123995), (2095, 99196), (4190, 49598), (8380, 24799)]