20634240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:1010

約数の個数: 128

約数和(自身を含む): 71824320

約数和(自身を除く): 51190080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 977, 1056, 1320, 1408, 1760, 1920, 1954, 2112, 2640, 2931, 3520, 3908, 4224, 4885, 5280, 5862, 7040, 7816, 9770, 10560, 10747, 11724, 14655, 15632, 19540, 21120, 21494, 23448, 29310, 31264, 32241, 39080, 42988, 46896, 53735, 58620, 62528, 64482, 78160, 85976, 93792, 107470, 117240, 125056, 128964, 156320, 161205, 171952, 187584, 214940, 234480, 257928, 312640, 322410, 343904, 375168, 429880, 468960, 515856, 625280, 644820, 687808, 859760, 937920, 1031712, 1289640, 1375616, 1719520, 1875840, 2063424, 2579280, 3439040, 4126848, 5158560, 6878080, 10317120, 20634240]

約数ペア:

[(1, 20634240), (2, 10317120), (3, 6878080), (4, 5158560), (5, 4126848), (6, 3439040), (8, 2579280), (10, 2063424), (11, 1875840), (12, 1719520), (15, 1375616), (16, 1289640), (20, 1031712), (22, 937920), (24, 859760), (30, 687808), (32, 644820), (33, 625280), (40, 515856), (44, 468960), (48, 429880), (55, 375168), (60, 343904), (64, 322410), (66, 312640), (80, 257928), (88, 234480), (96, 214940), (110, 187584), (120, 171952), (128, 161205), (132, 156320), (160, 128964), (165, 125056), (176, 117240), (192, 107470), (220, 93792), (240, 85976), (264, 78160), (320, 64482), (330, 62528), (352, 58620), (384, 53735), (440, 46896), (480, 42988), (528, 39080), (640, 32241), (660, 31264), (704, 29310), (880, 23448), (960, 21494), (977, 21120), (1056, 19540), (1320, 15632), (1408, 14655), (1760, 11724), (1920, 10747), (1954, 10560), (2112, 9770), (2640, 7816), (2931, 7040), (3520, 5862), (3908, 5280), (4224, 4885)]