20012866320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{247439}}^1$

素因数の和:247792

約数の個数: 80

約数和(自身を含む): 62224231680

約数和(自身を除く): 42211365360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 337, 674, 1011, 1348, 1685, 2022, 2696, 3370, 4044, 5055, 5392, 6740, 8088, 10110, 13480, 16176, 20220, 26960, 40440, 80880, 247439, 494878, 742317, 989756, 1237195, 1484634, 1979512, 2474390, 2969268, 3711585, 3959024, 4948780, 5938536, 7423170, 9897560, 11877072, 14846340, 19795120, 29692680, 59385360, 83386943, 166773886, 250160829, 333547772, 416934715, 500321658, 667095544, 833869430, 1000643316, 1250804145, 1334191088, 1667738860, 2001286632, 2501608290, 3335477720, 4002573264, 5003216580, 6670955440, 10006433160, 20012866320]

約数ペア:

[(1, 20012866320), (2, 10006433160), (3, 6670955440), (4, 5003216580), (5, 4002573264), (6, 3335477720), (8, 2501608290), (10, 2001286632), (12, 1667738860), (15, 1334191088), (16, 1250804145), (20, 1000643316), (24, 833869430), (30, 667095544), (40, 500321658), (48, 416934715), (60, 333547772), (80, 250160829), (120, 166773886), (240, 83386943), (337, 59385360), (674, 29692680), (1011, 19795120), (1348, 14846340), (1685, 11877072), (2022, 9897560), (2696, 7423170), (3370, 5938536), (4044, 4948780), (5055, 3959024), (5392, 3711585), (6740, 2969268), (8088, 2474390), (10110, 1979512), (13480, 1484634), (16176, 1237195), (20220, 989756), (26960, 742317), (40440, 494878), (80880, 247439)]