20187424516

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1\times {\mathrm{5569}}^1$

素因数の和:9116

約数の個数: 48

約数和(自身を含む): 41485360000

約数和(自身を除く): 21297935484

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 3499, 5569, 6998, 11138, 13996, 22276, 24493, 38983, 48986, 77966, 97972, 129463, 155932, 206053, 258926, 412106, 517852, 824212, 906241, 1442371, 1812482, 2884742, 3624964, 5769484, 19485931, 38971862, 77943724, 136401517, 272803034, 545606068, 720979447, 1441958894, 2883917788, 5046856129, 10093712258, 20187424516]

約数ペア:

[(1, 20187424516), (2, 10093712258), (4, 5046856129), (7, 2883917788), (14, 1441958894), (28, 720979447), (37, 545606068), (74, 272803034), (148, 136401517), (259, 77943724), (518, 38971862), (1036, 19485931), (3499, 5769484), (5569, 3624964), (6998, 2884742), (11138, 1812482), (13996, 1442371), (22276, 906241), (24493, 824212), (38983, 517852), (48986, 412106), (77966, 258926), (97972, 206053), (129463, 155932)]