20457480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1129}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 61833600

約数和(自身を除く): 41376120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1129, 1208, 1510, 1812, 2258, 2265, 3020, 3387, 3624, 4516, 4530, 5645, 6040, 6774, 9032, 9060, 11290, 13548, 16935, 18120, 22580, 27096, 33870, 45160, 67740, 135480, 170479, 340958, 511437, 681916, 852395, 1022874, 1363832, 1704790, 2045748, 2557185, 3409580, 4091496, 5114370, 6819160, 10228740, 20457480]

約数ペア:

[(1, 20457480), (2, 10228740), (3, 6819160), (4, 5114370), (5, 4091496), (6, 3409580), (8, 2557185), (10, 2045748), (12, 1704790), (15, 1363832), (20, 1022874), (24, 852395), (30, 681916), (40, 511437), (60, 340958), (120, 170479), (151, 135480), (302, 67740), (453, 45160), (604, 33870), (755, 27096), (906, 22580), (1129, 18120), (1208, 16935), (1510, 13548), (1812, 11290), (2258, 9060), (2265, 9032), (3020, 6774), (3387, 6040), (3624, 5645), (4516, 4530)]