20196484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2851}}^1$

素因数の和:2896

約数の個数: 48

約数和(自身を含む): 45997056

約数和(自身を除く): 25800572

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2851, 3542, 5702, 7084, 11404, 19957, 31361, 39914, 62722, 65573, 79828, 125444, 131146, 219527, 262292, 439054, 459011, 721303, 878108, 918022, 1442606, 1836044, 2885212, 5049121, 10098242, 20196484]

約数ペア:

[(1, 20196484), (2, 10098242), (4, 5049121), (7, 2885212), (11, 1836044), (14, 1442606), (22, 918022), (23, 878108), (28, 721303), (44, 459011), (46, 439054), (77, 262292), (92, 219527), (154, 131146), (161, 125444), (253, 79828), (308, 65573), (322, 62722), (506, 39914), (644, 31361), (1012, 19957), (1771, 11404), (2851, 7084), (3542, 5702)]