20040740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 44074800

約数和(自身を除く): 24034060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 317, 436, 545, 580, 634, 1090, 1268, 1585, 2180, 3161, 3170, 6322, 6340, 9193, 12644, 15805, 18386, 31610, 34553, 36772, 45965, 63220, 69106, 91930, 138212, 172765, 183860, 345530, 691060, 1002037, 2004074, 4008148, 5010185, 10020370, 20040740]

約数ペア:

[(1, 20040740), (2, 10020370), (4, 5010185), (5, 4008148), (10, 2004074), (20, 1002037), (29, 691060), (58, 345530), (109, 183860), (116, 172765), (145, 138212), (218, 91930), (290, 69106), (317, 63220), (436, 45965), (545, 36772), (580, 34553), (634, 31610), (1090, 18386), (1268, 15805), (1585, 12644), (2180, 9193), (3161, 6340), (3170, 6322)]