20286

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1$

素因数の和:45

約数の個数: 36

約数和(自身を含む): 53352

約数和(自身を除く): 33066

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 1127, 1449, 2254, 2898, 3381, 6762, 10143, 20286]

約数ペア:

[(1, 20286), (2, 10143), (3, 6762), (6, 3381), (7, 2898), (9, 2254), (14, 1449), (18, 1127), (21, 966), (23, 882), (42, 483), (46, 441), (49, 414), (63, 322), (69, 294), (98, 207), (126, 161), (138, 147)]