2020020784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{7426547}}^1$

素因数の和:7426572

約数の個数: 20

約数和(自身を含む): 4144013784

約数和(自身を除く): 2123993000

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 7426547, 14853094, 29706188, 59412376, 118824752, 126251299, 252502598, 505005196, 1010010392, 2020020784]

約数ペア:

[(1, 2020020784), (2, 1010010392), (4, 505005196), (8, 252502598), (16, 126251299), (17, 118824752), (34, 59412376), (68, 29706188), (136, 14853094), (272, 7426547)]