20474760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1759}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 62092800

約数和(自身を除く): 41618040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1759, 1940, 2328, 2910, 3518, 3880, 5277, 5820, 7036, 8795, 10554, 11640, 14072, 17590, 21108, 26385, 35180, 42216, 52770, 70360, 105540, 170623, 211080, 341246, 511869, 682492, 853115, 1023738, 1364984, 1706230, 2047476, 2559345, 3412460, 4094952, 5118690, 6824920, 10237380, 20474760]

約数ペア:

[(1, 20474760), (2, 10237380), (3, 6824920), (4, 5118690), (5, 4094952), (6, 3412460), (8, 2559345), (10, 2047476), (12, 1706230), (15, 1364984), (20, 1023738), (24, 853115), (30, 682492), (40, 511869), (60, 341246), (97, 211080), (120, 170623), (194, 105540), (291, 70360), (388, 52770), (485, 42216), (582, 35180), (776, 26385), (970, 21108), (1164, 17590), (1455, 14072), (1759, 11640), (1940, 10554), (2328, 8795), (2910, 7036), (3518, 5820), (3880, 5277)]