20490712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13697}}^1$

素因数の和:13731

約数の個数: 32

約数和(自身を含む): 44381520

約数和(自身を除く): 23890808

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13697, 27394, 54788, 109576, 150667, 232849, 301334, 465698, 602668, 931396, 1205336, 1862792, 2561339, 5122678, 10245356, 20490712]

約数ペア:

[(1, 20490712), (2, 10245356), (4, 5122678), (8, 2561339), (11, 1862792), (17, 1205336), (22, 931396), (34, 602668), (44, 465698), (68, 301334), (88, 232849), (136, 150667), (187, 109576), (374, 54788), (748, 27394), (1496, 13697)]