20199893997

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{467}}^1\times {\mathrm{1123}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 27824988672

約数和(自身を除く): 7625094675

約数列:

[1, 3, 37, 111, 347, 467, 1041, 1123, 1401, 3369, 12839, 17279, 38517, 41551, 51837, 124653, 162049, 389681, 486147, 524441, 1169043, 1573323, 5995813, 14418197, 17987439, 19404317, 43254591, 58212951, 181981027, 545943081, 6733297999, 20199893997]

約数ペア:

[(1, 20199893997), (3, 6733297999), (37, 545943081), (111, 181981027), (347, 58212951), (467, 43254591), (1041, 19404317), (1123, 17987439), (1401, 14418197), (3369, 5995813), (12839, 1573323), (17279, 1169043), (38517, 524441), (41551, 486147), (51837, 389681), (124653, 162049)]