20199963905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19330109}}^1$

素因数の和:19330144

約数の個数: 16

約数和(自身を含む): 27835358400

約数和(自身を除く): 7635394495

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19330109, 96650545, 212631199, 367272071, 1063155995, 1836360355, 4039992781, 20199963905]

約数ペア:

[(1, 20199963905), (5, 4039992781), (11, 1836360355), (19, 1063155995), (55, 367272071), (95, 212631199), (209, 96650545), (1045, 19330109)]