20736375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 38010336

約数和(自身を除く): 17273961

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 275, 363, 375, 457, 605, 825, 1371, 1375, 1815, 2285, 3025, 4125, 5027, 6855, 9075, 11425, 15081, 15125, 25135, 34275, 45375, 55297, 57125, 75405, 125675, 165891, 171375, 276485, 377025, 628375, 829455, 1382425, 1885125, 4147275, 6912125, 20736375]

約数ペア:

[(1, 20736375), (3, 6912125), (5, 4147275), (11, 1885125), (15, 1382425), (25, 829455), (33, 628375), (55, 377025), (75, 276485), (121, 171375), (125, 165891), (165, 125675), (275, 75405), (363, 57125), (375, 55297), (457, 45375), (605, 34275), (825, 25135), (1371, 15125), (1375, 15081), (1815, 11425), (2285, 9075), (3025, 6855), (4125, 5027)]