20498698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2347}}^1$

素因数の和:2757

約数の個数: 16

約数和(自身を含む): 33642144

約数和(自身を除く): 13143446

約数列:

[1, 2, 11, 22, 397, 794, 2347, 4367, 4694, 8734, 25817, 51634, 931759, 1863518, 10249349, 20498698]

約数ペア:

[(1, 20498698), (2, 10249349), (11, 1863518), (22, 931759), (397, 51634), (794, 25817), (2347, 8734), (4367, 4694)]