20591208

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{25999}}^1$

素因数の和:26022

約数の個数: 48

約数和(自身を含む): 60840000

約数和(自身を除く): 40248792

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 25999, 51998, 77997, 103996, 155994, 207992, 233991, 285989, 311988, 467982, 571978, 623976, 857967, 935964, 1143956, 1715934, 1871928, 2287912, 2573901, 3431868, 5147802, 6863736, 10295604, 20591208]

約数ペア:

[(1, 20591208), (2, 10295604), (3, 6863736), (4, 5147802), (6, 3431868), (8, 2573901), (9, 2287912), (11, 1871928), (12, 1715934), (18, 1143956), (22, 935964), (24, 857967), (33, 623976), (36, 571978), (44, 467982), (66, 311988), (72, 285989), (88, 233991), (99, 207992), (132, 155994), (198, 103996), (264, 77997), (396, 51998), (792, 25999)]