20192780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32569}}^1$

素因数の和:32609

約数の個数: 24

約数和(自身を含む): 43774080

約数和(自身を除く): 23581300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32569, 65138, 130276, 162845, 325690, 651380, 1009639, 2019278, 4038556, 5048195, 10096390, 20192780]

約数ペア:

[(1, 20192780), (2, 10096390), (4, 5048195), (5, 4038556), (10, 2019278), (20, 1009639), (31, 651380), (62, 325690), (124, 162845), (155, 130276), (310, 65138), (620, 32569)]