20119480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29646920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1151, 1748, 2185, 2302, 3496, 4370, 4604, 5755, 8740, 9208, 11510, 17480, 21869, 23020, 26473, 43738, 46040, 52946, 87476, 105892, 109345, 132365, 174952, 211784, 218690, 264730, 437380, 502987, 529460, 874760, 1005974, 1058920, 2011948, 2514935, 4023896, 5029870, 10059740, 20119480]

約数ペア:

[(1, 20119480), (2, 10059740), (4, 5029870), (5, 4023896), (8, 2514935), (10, 2011948), (19, 1058920), (20, 1005974), (23, 874760), (38, 529460), (40, 502987), (46, 437380), (76, 264730), (92, 218690), (95, 211784), (115, 174952), (152, 132365), (184, 109345), (190, 105892), (230, 87476), (380, 52946), (437, 46040), (460, 43738), (760, 26473), (874, 23020), (920, 21869), (1151, 17480), (1748, 11510), (2185, 9208), (2302, 8740), (3496, 5755), (4370, 4604)]