20161689920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3706193}}^1$

素因数の和:3706227

約数の個数: 56

約数和(自身を含む): 50834156904

約数和(自身を除く): 30672466984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 3706193, 7412386, 14824772, 18530965, 29649544, 37061930, 59299088, 63005281, 74123860, 118598176, 126010562, 148247720, 237196352, 252021124, 296495440, 315026405, 504042248, 592990880, 630052810, 1008084496, 1185981760, 1260105620, 2016168992, 2520211240, 4032337984, 5040422480, 10080844960, 20161689920]

約数ペア:

[(1, 20161689920), (2, 10080844960), (4, 5040422480), (5, 4032337984), (8, 2520211240), (10, 2016168992), (16, 1260105620), (17, 1185981760), (20, 1008084496), (32, 630052810), (34, 592990880), (40, 504042248), (64, 315026405), (68, 296495440), (80, 252021124), (85, 237196352), (136, 148247720), (160, 126010562), (170, 118598176), (272, 74123860), (320, 63005281), (340, 59299088), (544, 37061930), (680, 29649544), (1088, 18530965), (1360, 14824772), (2720, 7412386), (5440, 3706193)]