20791935

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27179}}^1$

素因数の和:27207

約数の個数: 24

約数和(自身を含む): 38160720

約数和(自身を除く): 17368785

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 27179, 81537, 135895, 244611, 407685, 462043, 1223055, 1386129, 2310215, 4158387, 6930645, 20791935]

約数ペア:

[(1, 20791935), (3, 6930645), (5, 4158387), (9, 2310215), (15, 1386129), (17, 1223055), (45, 462043), (51, 407685), (85, 244611), (153, 135895), (255, 81537), (765, 27179)]