20685500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3761}}^1$

素因数の和:3791

約数の個数: 48

約数和(自身を含む): 49297248

約数和(自身を除く): 28611748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 3761, 5500, 7522, 15044, 18805, 37610, 41371, 75220, 82742, 94025, 165484, 188050, 206855, 376100, 413710, 470125, 827420, 940250, 1034275, 1880500, 2068550, 4137100, 5171375, 10342750, 20685500]

約数ペア:

[(1, 20685500), (2, 10342750), (4, 5171375), (5, 4137100), (10, 2068550), (11, 1880500), (20, 1034275), (22, 940250), (25, 827420), (44, 470125), (50, 413710), (55, 376100), (100, 206855), (110, 188050), (125, 165484), (220, 94025), (250, 82742), (275, 75220), (500, 41371), (550, 37610), (1100, 18805), (1375, 15044), (2750, 7522), (3761, 5500)]