20808314192

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{1550083}}^1$

素因数の和:1550930

約数の個数: 20

約数和(自身を含む): 40364187360

約数和(自身を除く): 19555873168

約数列:

[1, 2, 4, 8, 16, 839, 1678, 3356, 6712, 13424, 1550083, 3100166, 6200332, 12400664, 24801328, 1300519637, 2601039274, 5202078548, 10404157096, 20808314192]

約数ペア:

[(1, 20808314192), (2, 10404157096), (4, 5202078548), (8, 2601039274), (16, 1300519637), (839, 24801328), (1678, 12400664), (3356, 6200332), (6712, 3100166), (13424, 1550083)]