19946144

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20107}}^1$

素因数の和:20148

約数の個数: 24

約数和(自身を含む): 40537728

約数和(自身を除く): 20591584

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20107, 40214, 80428, 160856, 321712, 623317, 643424, 1246634, 2493268, 4986536, 9973072, 19946144]

約数ペア:

[(1, 19946144), (2, 9973072), (4, 4986536), (8, 2493268), (16, 1246634), (31, 643424), (32, 623317), (62, 321712), (124, 160856), (248, 80428), (496, 40214), (992, 20107)]