20943660160

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61861}}^1$

素因数の和:61926

約数の個数: 96

約数和(自身を含む): 52340819580

約数和(自身を除く): 31397159420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 529, 640, 736, 920, 1058, 1472, 1840, 2116, 2645, 2944, 3680, 4232, 5290, 7360, 8464, 10580, 14720, 16928, 21160, 33856, 42320, 61861, 67712, 84640, 123722, 169280, 247444, 309305, 338560, 494888, 618610, 989776, 1237220, 1422803, 1979552, 2474440, 2845606, 3959104, 4948880, 5691212, 7114015, 7918208, 9897760, 11382424, 14228030, 19795520, 22764848, 28456060, 32724469, 39591040, 45529696, 56912120, 65448938, 91059392, 113824240, 130897876, 163622345, 182118784, 227648480, 261795752, 327244690, 455296960, 523591504, 654489380, 910593920, 1047183008, 1308978760, 2094366016, 2617957520, 4188732032, 5235915040, 10471830080, 20943660160]

約数ペア:

[(1, 20943660160), (2, 10471830080), (4, 5235915040), (5, 4188732032), (8, 2617957520), (10, 2094366016), (16, 1308978760), (20, 1047183008), (23, 910593920), (32, 654489380), (40, 523591504), (46, 455296960), (64, 327244690), (80, 261795752), (92, 227648480), (115, 182118784), (128, 163622345), (160, 130897876), (184, 113824240), (230, 91059392), (320, 65448938), (368, 56912120), (460, 45529696), (529, 39591040), (640, 32724469), (736, 28456060), (920, 22764848), (1058, 19795520), (1472, 14228030), (1840, 11382424), (2116, 9897760), (2645, 7918208), (2944, 7114015), (3680, 5691212), (4232, 4948880), (5290, 3959104), (7360, 2845606), (8464, 2474440), (10580, 1979552), (14720, 1422803), (16928, 1237220), (21160, 989776), (33856, 618610), (42320, 494888), (61861, 338560), (67712, 309305), (84640, 247444), (123722, 169280)]