20159964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{50909}}^1$

素因数の和:50930

約数の個数: 36

約数和(自身を含む): 55593720

約数和(自身を除く): 35433756

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 50909, 101818, 152727, 203636, 305454, 458181, 559999, 610908, 916362, 1119998, 1679997, 1832724, 2239996, 3359994, 5039991, 6719988, 10079982, 20159964]

約数ペア:

[(1, 20159964), (2, 10079982), (3, 6719988), (4, 5039991), (6, 3359994), (9, 2239996), (11, 1832724), (12, 1679997), (18, 1119998), (22, 916362), (33, 610908), (36, 559999), (44, 458181), (66, 305454), (99, 203636), (132, 152727), (198, 101818), (396, 50909)]