20762775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8389}}^1$

素因数の和:8416

約数の個数: 36

約数和(自身を含む): 40574040

約数和(自身を除く): 19811265

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8389, 25167, 41945, 75501, 92279, 125835, 209725, 276837, 377505, 461395, 629175, 830511, 1384185, 1887525, 2306975, 4152555, 6920925, 20762775]

約数ペア:

[(1, 20762775), (3, 6920925), (5, 4152555), (9, 2306975), (11, 1887525), (15, 1384185), (25, 830511), (33, 629175), (45, 461395), (55, 377505), (75, 276837), (99, 209725), (165, 125835), (225, 92279), (275, 75501), (495, 41945), (825, 25167), (2475, 8389)]