2020105552

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{921581}}^1$

素因数の和:921726

約数の個数: 20

約数和(自身を含む): 3942527796

約数和(自身を除く): 1922422244

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 921581, 1843162, 3686324, 7372648, 14745296, 126256597, 252513194, 505026388, 1010052776, 2020105552]

約数ペア:

[(1, 2020105552), (2, 1010052776), (4, 505026388), (8, 252513194), (16, 126256597), (137, 14745296), (274, 7372648), (548, 3686324), (1096, 1843162), (2192, 921581)]