20606848

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 41310000

約数和(自身を除く): 20703152

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 809, 1592, 1618, 3184, 3236, 6368, 6472, 12736, 12944, 25472, 25888, 51776, 103552, 160991, 321982, 643964, 1287928, 2575856, 5151712, 10303424, 20606848]

約数ペア:

[(1, 20606848), (2, 10303424), (4, 5151712), (8, 2575856), (16, 1287928), (32, 643964), (64, 321982), (128, 160991), (199, 103552), (398, 51776), (796, 25888), (809, 25472), (1592, 12944), (1618, 12736), (3184, 6472), (3236, 6368)]