20033065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{991}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 25998336

約数和(自身を除く): 5965271

約数列:

[1, 5, 13, 65, 311, 991, 1555, 4043, 4955, 12883, 20215, 64415, 308201, 1541005, 4006613, 20033065]

約数ペア:

[(1, 20033065), (5, 4006613), (13, 1541005), (65, 308201), (311, 64415), (991, 20215), (1555, 12883), (4043, 4955)]