20868652

素因数分解:

$2^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{919}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 41834240

約数和(自身を除く): 20965588

約数列:

[1, 2, 4, 7, 14, 28, 811, 919, 1622, 1838, 3244, 3676, 5677, 6433, 11354, 12866, 22708, 25732, 745309, 1490618, 2981236, 5217163, 10434326, 20868652]

約数ペア:

[(1, 20868652), (2, 10434326), (4, 5217163), (7, 2981236), (14, 1490618), (28, 745309), (811, 25732), (919, 22708), (1622, 12866), (1838, 11354), (3244, 6433), (3676, 5677)]