20412219

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 28030464

約数和(自身を除く): 7618245

約数列:

[1, 3, 41, 123, 263, 631, 789, 1893, 10783, 25871, 32349, 77613, 165953, 497859, 6804073, 20412219]

約数ペア:

[(1, 20412219), (3, 6804073), (41, 497859), (123, 165953), (263, 77613), (631, 32349), (789, 25871), (1893, 10783)]