7861014020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20686879}}^1$

素因数の和:20686907

約数の個数: 24

約数和(自身を含む): 17376979200

約数和(自身を除く): 9515965180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20686879, 41373758, 82747516, 103434395, 206868790, 393050701, 413737580, 786101402, 1572202804, 1965253505, 3930507010, 7861014020]

約数ペア:

[(1, 7861014020), (2, 3930507010), (4, 1965253505), (5, 1572202804), (10, 786101402), (19, 413737580), (20, 393050701), (38, 206868790), (76, 103434395), (95, 82747516), (190, 41373758), (380, 20686879)]