20182670515

素因数分解:

$5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2177

約数の個数: 64

約数和(自身を含む): 29001369600

約数和(自身を除く): 8818699085

約数列:

[1, 5, 7, 35, 49, 71, 83, 245, 343, 355, 415, 497, 581, 1715, 1997, 2485, 2905, 3479, 4067, 5893, 9985, 13979, 17395, 20335, 24353, 28469, 29465, 41251, 69895, 97853, 121765, 141787, 142345, 165751, 206255, 288757, 489265, 684971, 708935, 828755, 992509, 1160257, 1443785, 2021299, 3424855, 4962545, 5801285, 6947563, 8121799, 10106495, 11768321, 34737815, 40608995, 48632941, 56852593, 58841605, 82378247, 243164705, 284262965, 411891235, 576647729, 2883238645, 4036534103, 20182670515]

約数ペア:

[(1, 20182670515), (5, 4036534103), (7, 2883238645), (35, 576647729), (49, 411891235), (71, 284262965), (83, 243164705), (245, 82378247), (343, 58841605), (355, 56852593), (415, 48632941), (497, 40608995), (581, 34737815), (1715, 11768321), (1997, 10106495), (2485, 8121799), (2905, 6947563), (3479, 5801285), (4067, 4962545), (5893, 3424855), (9985, 2021299), (13979, 1443785), (17395, 1160257), (20335, 992509), (24353, 828755), (28469, 708935), (29465, 684971), (41251, 489265), (69895, 288757), (97853, 206255), (121765, 165751), (141787, 142345)]