20919332

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2003}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 41971776

約数和(自身を除く): 21052444

約数列:

[1, 2, 4, 7, 14, 28, 373, 746, 1492, 2003, 2611, 4006, 5222, 8012, 10444, 14021, 28042, 56084, 747119, 1494238, 2988476, 5229833, 10459666, 20919332]

約数ペア:

[(1, 20919332), (2, 10459666), (4, 5229833), (7, 2988476), (14, 1494238), (28, 747119), (373, 56084), (746, 28042), (1492, 14021), (2003, 10444), (2611, 8012), (4006, 5222)]