20406928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41143}}^1$

素因数の和:41182

約数の個数: 20

約数和(自身を含む): 40814848

約数和(自身を除く): 20407920

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41143, 82286, 164572, 329144, 658288, 1275433, 2550866, 5101732, 10203464, 20406928]

約数ペア:

[(1, 20406928), (2, 10203464), (4, 5101732), (8, 2550866), (16, 1275433), (31, 658288), (62, 329144), (124, 164572), (248, 82286), (496, 41143)]