20481753

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11313447

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 919, 969, 1173, 1311, 2757, 7429, 15623, 17461, 21137, 22287, 46869, 52383, 63411, 296837, 359329, 401603, 890511, 1077987, 1204809, 6827251, 20481753]

約数ペア:

[(1, 20481753), (3, 6827251), (17, 1204809), (19, 1077987), (23, 890511), (51, 401603), (57, 359329), (69, 296837), (323, 63411), (391, 52383), (437, 46869), (919, 22287), (969, 21137), (1173, 17461), (1311, 15623), (2757, 7429)]