20665623

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20201}}^1$

素因数の和:20246

約数の個数: 16

約数和(自身を含む): 31030272

約数和(自身を除く): 10364649

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 20201, 60603, 222211, 626231, 666633, 1878693, 6888541, 20665623]

約数ペア:

[(1, 20665623), (3, 6888541), (11, 1878693), (31, 666633), (33, 626231), (93, 222211), (341, 60603), (1023, 20201)]