12021955

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 16394112

約数和(自身を除く): 4372157

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 641, 1705, 3205, 3751, 7051, 18755, 19871, 35255, 77561, 99355, 218581, 387805, 1092905, 2404391, 12021955]

約数ペア:

[(1, 12021955), (5, 2404391), (11, 1092905), (31, 387805), (55, 218581), (121, 99355), (155, 77561), (341, 35255), (605, 19871), (641, 18755), (1705, 7051), (3205, 3751)]