20822269

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 23369472

約数和(自身を除く): 2547203

約数列:

[1, 13, 47, 53, 611, 643, 689, 2491, 8359, 30221, 32383, 34079, 392873, 443027, 1601713, 20822269]

約数ペア:

[(1, 20822269), (13, 1601713), (47, 443027), (53, 392873), (611, 34079), (643, 32383), (689, 30221), (2491, 8359)]