20213892

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{4969}}^1$

素因数の和:5092

約数の個数: 36

約数和(自身を含む): 51558780

約数和(自身を除く): 31344888

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 4969, 9938, 14907, 19876, 29814, 44721, 59628, 89442, 178884, 561497, 1122994, 1684491, 2245988, 3368982, 5053473, 6737964, 10106946, 20213892]

約数ペア:

[(1, 20213892), (2, 10106946), (3, 6737964), (4, 5053473), (6, 3368982), (9, 2245988), (12, 1684491), (18, 1122994), (36, 561497), (113, 178884), (226, 89442), (339, 59628), (452, 44721), (678, 29814), (1017, 19876), (1356, 14907), (2034, 9938), (4068, 4969)]