20558142

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9439}}^1$

素因数の和:9469

約数の個数: 36

約数和(自身を含む): 48965280

約数和(自身を除く): 28407138

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9439, 18878, 28317, 56634, 84951, 103829, 169902, 207658, 311487, 622974, 934461, 1142119, 1868922, 2284238, 3426357, 6852714, 10279071, 20558142]

約数ペア:

[(1, 20558142), (2, 10279071), (3, 6852714), (6, 3426357), (9, 2284238), (11, 1868922), (18, 1142119), (22, 934461), (33, 622974), (66, 311487), (99, 207658), (121, 169902), (198, 103829), (242, 84951), (363, 56634), (726, 28317), (1089, 18878), (2178, 9439)]