20877164

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67783}}^1$

素因数の和:67805

約数の個数: 24

約数和(自身を含む): 45550848

約数和(自身を除く): 24673684

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67783, 135566, 271132, 474481, 745613, 948962, 1491226, 1897924, 2982452, 5219291, 10438582, 20877164]

約数ペア:

[(1, 20877164), (2, 10438582), (4, 5219291), (7, 2982452), (11, 1897924), (14, 1491226), (22, 948962), (28, 745613), (44, 474481), (77, 271132), (154, 135566), (308, 67783)]