20864102

素因数分解:

$2^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1009}}^1$

素因数の和:1236

約数の個数: 24

約数和(自身を含む): 36614520

約数和(自身を除く): 15750418

約数列:

[1, 2, 7, 14, 49, 98, 211, 422, 1009, 1477, 2018, 2954, 7063, 10339, 14126, 20678, 49441, 98882, 212899, 425798, 1490293, 2980586, 10432051, 20864102]

約数ペア:

[(1, 20864102), (2, 10432051), (7, 2980586), (14, 1490293), (49, 425798), (98, 212899), (211, 98882), (422, 49441), (1009, 20678), (1477, 14126), (2018, 10339), (2954, 7063)]