20421434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15733}}^1$

素因数の和:15805

約数の個数: 16

約数和(自身を含む): 33985440

約数和(自身を除く): 13564006

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15733, 31466, 173063, 346126, 928247, 1856494, 10210717, 20421434]

約数ペア:

[(1, 20421434), (2, 10210717), (11, 1856494), (22, 928247), (59, 346126), (118, 173063), (649, 31466), (1298, 15733)]