20040267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 30030336

約数和(自身を除く): 9990069

約数列:

[1, 3, 13, 39, 41, 83, 123, 151, 249, 453, 533, 1079, 1599, 1963, 3237, 3403, 5889, 6191, 10209, 12533, 18573, 37599, 44239, 80483, 132717, 162929, 241449, 488787, 513853, 1541559, 6680089, 20040267]

約数ペア:

[(1, 20040267), (3, 6680089), (13, 1541559), (39, 513853), (41, 488787), (83, 241449), (123, 162929), (151, 132717), (249, 80483), (453, 44239), (533, 37599), (1079, 18573), (1599, 12533), (1963, 10209), (3237, 6191), (3403, 5889)]