20966708

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4651}}^1$

素因数の和:4692

約数の個数: 36

約数和(自身を含む): 44547552

約数和(自身を除く): 23580844

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 4651, 9302, 18604, 32557, 65114, 106973, 130228, 213946, 227899, 427892, 455798, 748811, 911596, 1497622, 2995244, 5241677, 10483354, 20966708]

約数ペア:

[(1, 20966708), (2, 10483354), (4, 5241677), (7, 2995244), (14, 1497622), (23, 911596), (28, 748811), (46, 455798), (49, 427892), (92, 227899), (98, 213946), (161, 130228), (196, 106973), (322, 65114), (644, 32557), (1127, 18604), (2254, 9302), (4508, 4651)]