20906216

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{929}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 41013000

約数和(自身を除く): 20106784

約数列:

[1, 2, 4, 8, 29, 58, 97, 116, 194, 232, 388, 776, 929, 1858, 2813, 3716, 5626, 7432, 11252, 22504, 26941, 53882, 90113, 107764, 180226, 215528, 360452, 720904, 2613277, 5226554, 10453108, 20906216]

約数ペア:

[(1, 20906216), (2, 10453108), (4, 5226554), (8, 2613277), (29, 720904), (58, 360452), (97, 215528), (116, 180226), (194, 107764), (232, 90113), (388, 53882), (776, 26941), (929, 22504), (1858, 11252), (2813, 7432), (3716, 5626)]