20626308080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2166629}}^1$

素因数の和:2166666

約数の個数: 80

約数和(自身を含む): 58031017920

約数和(自身を除く): 37404709840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 2166629, 4333258, 8666516, 10833145, 15166403, 17333032, 21666290, 30332806, 34666064, 36832693, 43332580, 60665612, 73665386, 75832015, 86665160, 121331224, 147330772, 151664030, 173330320, 184163465, 242662448, 257828851, 294661544, 303328060, 368326930, 515657702, 589323088, 606656120, 736653860, 1031315404, 1213312240, 1289144255, 1473307720, 2062630808, 2578288510, 2946615440, 4125261616, 5156577020, 10313154040, 20626308080]

約数ペア:

[(1, 20626308080), (2, 10313154040), (4, 5156577020), (5, 4125261616), (7, 2946615440), (8, 2578288510), (10, 2062630808), (14, 1473307720), (16, 1289144255), (17, 1213312240), (20, 1031315404), (28, 736653860), (34, 606656120), (35, 589323088), (40, 515657702), (56, 368326930), (68, 303328060), (70, 294661544), (80, 257828851), (85, 242662448), (112, 184163465), (119, 173330320), (136, 151664030), (140, 147330772), (170, 121331224), (238, 86665160), (272, 75832015), (280, 73665386), (340, 60665612), (476, 43332580), (560, 36832693), (595, 34666064), (680, 30332806), (952, 21666290), (1190, 17333032), (1360, 15166403), (1904, 10833145), (2380, 8666516), (4760, 4333258), (9520, 2166629)]