20156568168

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^3\times {\mathrm{630997}}^1$

素因数の和:631039

約数の個数: 64

約数和(自身を含む): 55426864320

約数和(自身を除く): 35270296152

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1331, 1452, 2662, 2904, 3993, 5324, 7986, 10648, 15972, 31944, 630997, 1261994, 1892991, 2523988, 3785982, 5047976, 6940967, 7571964, 13881934, 15143928, 20822901, 27763868, 41645802, 55527736, 76350637, 83291604, 152701274, 166583208, 229051911, 305402548, 458103822, 610805096, 839857007, 916207644, 1679714014, 1832415288, 2519571021, 3359428028, 5039142042, 6718856056, 10078284084, 20156568168]

約数ペア:

[(1, 20156568168), (2, 10078284084), (3, 6718856056), (4, 5039142042), (6, 3359428028), (8, 2519571021), (11, 1832415288), (12, 1679714014), (22, 916207644), (24, 839857007), (33, 610805096), (44, 458103822), (66, 305402548), (88, 229051911), (121, 166583208), (132, 152701274), (242, 83291604), (264, 76350637), (363, 55527736), (484, 41645802), (726, 27763868), (968, 20822901), (1331, 15143928), (1452, 13881934), (2662, 7571964), (2904, 6940967), (3993, 5047976), (5324, 3785982), (7986, 2523988), (10648, 1892991), (15972, 1261994), (31944, 630997)]