20427710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120163}}^1$

素因数の和:120187

約数の個数: 16

約数和(自身を含む): 38933136

約数和(自身を除く): 18505426

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120163, 240326, 600815, 1201630, 2042771, 4085542, 10213855, 20427710]

約数ペア:

[(1, 20427710), (2, 10213855), (5, 4085542), (10, 2042771), (17, 1201630), (34, 600815), (85, 240326), (170, 120163)]