20012447672

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2139911}}^1$

素因数の和:2140091

約数の個数: 32

約数和(自身を含む): 43140625920

約数和(自身を除く): 23128178248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 4676, 9352, 2139911, 4279822, 8559644, 14979377, 17119288, 29958754, 59917508, 119835016, 357365137, 714730274, 1429460548, 2501555959, 2858921096, 5003111918, 10006223836, 20012447672]

約数ペア:

[(1, 20012447672), (2, 10006223836), (4, 5003111918), (7, 2858921096), (8, 2501555959), (14, 1429460548), (28, 714730274), (56, 357365137), (167, 119835016), (334, 59917508), (668, 29958754), (1169, 17119288), (1336, 14979377), (2338, 8559644), (4676, 4279822), (9352, 2139911)]