20319134

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 34822656

約数和(自身を除く): 14503522

約数列:

[1, 2, 11, 22, 43, 47, 86, 94, 457, 473, 517, 914, 946, 1034, 2021, 4042, 5027, 10054, 19651, 21479, 22231, 39302, 42958, 44462, 216161, 236269, 432322, 472538, 923597, 1847194, 10159567, 20319134]

約数ペア:

[(1, 20319134), (2, 10159567), (11, 1847194), (22, 923597), (43, 472538), (47, 432322), (86, 236269), (94, 216161), (457, 44462), (473, 42958), (517, 39302), (914, 22231), (946, 21479), (1034, 19651), (2021, 10054), (4042, 5027)]