20126280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{457}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 60675840

約数和(自身を除く): 40549560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 367, 457, 734, 914, 1101, 1371, 1468, 1828, 1835, 2202, 2285, 2742, 2936, 3656, 3670, 4404, 4570, 5484, 5505, 6855, 7340, 8808, 9140, 10968, 11010, 13710, 14680, 18280, 22020, 27420, 44040, 54840, 167719, 335438, 503157, 670876, 838595, 1006314, 1341752, 1677190, 2012628, 2515785, 3354380, 4025256, 5031570, 6708760, 10063140, 20126280]

約数ペア:

[(1, 20126280), (2, 10063140), (3, 6708760), (4, 5031570), (5, 4025256), (6, 3354380), (8, 2515785), (10, 2012628), (12, 1677190), (15, 1341752), (20, 1006314), (24, 838595), (30, 670876), (40, 503157), (60, 335438), (120, 167719), (367, 54840), (457, 44040), (734, 27420), (914, 22020), (1101, 18280), (1371, 14680), (1468, 13710), (1828, 11010), (1835, 10968), (2202, 9140), (2285, 8808), (2742, 7340), (2936, 6855), (3656, 5505), (3670, 5484), (4404, 4570)]