20139120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 68651856

約数和(自身を除く): 48512736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 337, 360, 415, 498, 664, 674, 720, 747, 830, 996, 1011, 1245, 1328, 1348, 1494, 1660, 1685, 1992, 2022, 2490, 2696, 2988, 3033, 3320, 3370, 3735, 3984, 4044, 4980, 5055, 5392, 5976, 6066, 6640, 6740, 7470, 8088, 9960, 10110, 11952, 12132, 13480, 14940, 15165, 16176, 19920, 20220, 24264, 26960, 27971, 29880, 30330, 40440, 48528, 55942, 59760, 60660, 80880, 83913, 111884, 121320, 139855, 167826, 223768, 242640, 251739, 279710, 335652, 419565, 447536, 503478, 559420, 671304, 839130, 1006956, 1118840, 1258695, 1342608, 1678260, 2013912, 2237680, 2517390, 3356520, 4027824, 5034780, 6713040, 10069560, 20139120]

約数ペア:

[(1, 20139120), (2, 10069560), (3, 6713040), (4, 5034780), (5, 4027824), (6, 3356520), (8, 2517390), (9, 2237680), (10, 2013912), (12, 1678260), (15, 1342608), (16, 1258695), (18, 1118840), (20, 1006956), (24, 839130), (30, 671304), (36, 559420), (40, 503478), (45, 447536), (48, 419565), (60, 335652), (72, 279710), (80, 251739), (83, 242640), (90, 223768), (120, 167826), (144, 139855), (166, 121320), (180, 111884), (240, 83913), (249, 80880), (332, 60660), (337, 59760), (360, 55942), (415, 48528), (498, 40440), (664, 30330), (674, 29880), (720, 27971), (747, 26960), (830, 24264), (996, 20220), (1011, 19920), (1245, 16176), (1328, 15165), (1348, 14940), (1494, 13480), (1660, 12132), (1685, 11952), (1992, 10110), (2022, 9960), (2490, 8088), (2696, 7470), (2988, 6740), (3033, 6640), (3320, 6066), (3370, 5976), (3735, 5392), (3984, 5055), (4044, 4980)]