20396640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3863}}^1$

素因数の和:3892

約数の個数: 96

約数和(自身を含む): 70108416

約数和(自身を除く): 49711776

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, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 3863, 5280, 7726, 11589, 15452, 19315, 23178, 30904, 38630, 42493, 46356, 57945, 61808, 77260, 84986, 92712, 115890, 123616, 127479, 154520, 169972, 185424, 212465, 231780, 254958, 309040, 339944, 370848, 424930, 463560, 509916, 618080, 637395, 679888, 849860, 927120, 1019832, 1274790, 1359776, 1699720, 1854240, 2039664, 2549580, 3399440, 4079328, 5099160, 6798880, 10198320, 20396640]

約数ペア:

[(1, 20396640), (2, 10198320), (3, 6798880), (4, 5099160), (5, 4079328), (6, 3399440), (8, 2549580), (10, 2039664), (11, 1854240), (12, 1699720), (15, 1359776), (16, 1274790), (20, 1019832), (22, 927120), (24, 849860), (30, 679888), (32, 637395), (33, 618080), (40, 509916), (44, 463560), (48, 424930), (55, 370848), (60, 339944), (66, 309040), (80, 254958), (88, 231780), (96, 212465), (110, 185424), (120, 169972), (132, 154520), (160, 127479), (165, 123616), (176, 115890), (220, 92712), (240, 84986), (264, 77260), (330, 61808), (352, 57945), (440, 46356), (480, 42493), (528, 38630), (660, 30904), (880, 23178), (1056, 19315), (1320, 15452), (1760, 11589), (2640, 7726), (3863, 5280)]