20178867093

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{848101}}^1$

素因数の和:848225

約数の個数: 32

約数和(自身を含む): 33869801472

約数和(自身を除く): 13690934379

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 23793, 848101, 2544303, 5936707, 9329111, 17810121, 27987333, 65303777, 87354403, 195911331, 262063209, 611480821, 960898433, 1834442463, 2882695299, 6726289031, 20178867093]

約数ペア:

[(1, 20178867093), (3, 6726289031), (7, 2882695299), (11, 1834442463), (21, 960898433), (33, 611480821), (77, 262063209), (103, 195911331), (231, 87354403), (309, 65303777), (721, 27987333), (1133, 17810121), (2163, 9329111), (3399, 5936707), (7931, 2544303), (23793, 848101)]