20606210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2579}}^1$

素因数の和:2650

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 19517950

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2579, 3995, 5158, 7990, 12895, 25790, 43843, 87686, 121213, 219215, 242426, 438430, 606065, 1212130, 2060621, 4121242, 10303105, 20606210]

約数ペア:

[(1, 20606210), (2, 10303105), (5, 4121242), (10, 2060621), (17, 1212130), (34, 606065), (47, 438430), (85, 242426), (94, 219215), (170, 121213), (235, 87686), (470, 43843), (799, 25790), (1598, 12895), (2579, 7990), (3995, 5158)]