20771264

素因数分解:

$2^6\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1164

約数の個数: 28

約数和(自身を含む): 41364408

約数和(自身を除く): 20593144

約数列:

[1, 2, 4, 8, 16, 32, 64, 491, 661, 982, 1322, 1964, 2644, 3928, 5288, 7856, 10576, 15712, 21152, 31424, 42304, 324551, 649102, 1298204, 2596408, 5192816, 10385632, 20771264]

約数ペア:

[(1, 20771264), (2, 10385632), (4, 5192816), (8, 2596408), (16, 1298204), (32, 649102), (64, 324551), (491, 42304), (661, 31424), (982, 21152), (1322, 15712), (1964, 10576), (2644, 7856), (3928, 5288)]