20102668

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 35858592

約数和(自身を除く): 15755924

約数列:

[1, 2, 4, 97, 194, 197, 263, 388, 394, 526, 788, 1052, 19109, 25511, 38218, 51022, 51811, 76436, 102044, 103622, 207244, 5025667, 10051334, 20102668]

約数ペア:

[(1, 20102668), (2, 10051334), (4, 5025667), (97, 207244), (194, 103622), (197, 102044), (263, 76436), (388, 51811), (394, 51022), (526, 38218), (788, 25511), (1052, 19109)]