20421310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22441}}^1$

素因数の和:22468

約数の個数: 32

約数和(自身を含む): 45243072

約数和(自身を除く): 24821762

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22441, 44882, 112205, 157087, 224410, 291733, 314174, 583466, 785435, 1458665, 1570870, 2042131, 2917330, 4084262, 10210655, 20421310]

約数ペア:

[(1, 20421310), (2, 10210655), (5, 4084262), (7, 2917330), (10, 2042131), (13, 1570870), (14, 1458665), (26, 785435), (35, 583466), (65, 314174), (70, 291733), (91, 224410), (130, 157087), (182, 112205), (455, 44882), (910, 22441)]