20409554

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 40

約数和(自身を含む): 36526140

約数和(自身を除く): 16116586

約数列:

[1, 2, 11, 17, 22, 34, 41, 82, 121, 187, 242, 374, 451, 697, 902, 1331, 1394, 2057, 2662, 4114, 4961, 7667, 9922, 14641, 15334, 22627, 29282, 45254, 54571, 84337, 109142, 168674, 248897, 497794, 600281, 927707, 1200562, 1855414, 10204777, 20409554]

約数ペア:

[(1, 20409554), (2, 10204777), (11, 1855414), (17, 1200562), (22, 927707), (34, 600281), (41, 497794), (82, 248897), (121, 168674), (187, 109142), (242, 84337), (374, 54571), (451, 45254), (697, 29282), (902, 22627), (1331, 15334), (1394, 14641), (2057, 9922), (2662, 7667), (4114, 4961)]