20310675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3517}}^1$

素因数の和:3548

約数の個数: 48

約数和(自身を含む): 41878272

約数和(自身を除く): 21567597

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3517, 5775, 10551, 17585, 24619, 38687, 52755, 73857, 87925, 116061, 123095, 193435, 263775, 270809, 369285, 580305, 615475, 812427, 967175, 1354045, 1846425, 2901525, 4062135, 6770225, 20310675]

約数ペア:

[(1, 20310675), (3, 6770225), (5, 4062135), (7, 2901525), (11, 1846425), (15, 1354045), (21, 967175), (25, 812427), (33, 615475), (35, 580305), (55, 369285), (75, 270809), (77, 263775), (105, 193435), (165, 123095), (175, 116061), (231, 87925), (275, 73857), (385, 52755), (525, 38687), (825, 24619), (1155, 17585), (1925, 10551), (3517, 5775)]