20212444

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15359}}^1$

素因数の和:15417

約数の個数: 24

約数和(自身を含む): 41287680

約数和(自身を除く): 21075236

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15359, 30718, 61436, 107513, 215026, 430052, 721873, 1443746, 2887492, 5053111, 10106222, 20212444]

約数ペア:

[(1, 20212444), (2, 10106222), (4, 5053111), (7, 2887492), (14, 1443746), (28, 721873), (47, 430052), (94, 215026), (188, 107513), (329, 61436), (658, 30718), (1316, 15359)]