20172595418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 32865288192

約数和(自身を除く): 12692692774

約数列:

[1, 2, 23, 43, 46, 86, 127, 131, 254, 262, 613, 989, 1226, 1978, 2921, 3013, 5461, 5633, 5842, 6026, 10922, 11266, 14099, 16637, 26359, 28198, 33274, 52718, 77851, 80303, 125603, 129559, 155702, 160606, 251206, 259118, 382651, 606257, 715391, 765302, 1212514, 1430782, 1790573, 1846969, 3347593, 3453029, 3581146, 3693938, 6695186, 6906058, 10198481, 16453993, 20396962, 32907986, 76994639, 79419667, 153989278, 158839334, 234565063, 438534683, 469130126, 877069366, 10086297709, 20172595418]

約数ペア:

[(1, 20172595418), (2, 10086297709), (23, 877069366), (43, 469130126), (46, 438534683), (86, 234565063), (127, 158839334), (131, 153989278), (254, 79419667), (262, 76994639), (613, 32907986), (989, 20396962), (1226, 16453993), (1978, 10198481), (2921, 6906058), (3013, 6695186), (5461, 3693938), (5633, 3581146), (5842, 3453029), (6026, 3347593), (10922, 1846969), (11266, 1790573), (14099, 1430782), (16637, 1212514), (26359, 765302), (28198, 715391), (33274, 606257), (52718, 382651), (77851, 259118), (80303, 251206), (125603, 160606), (129559, 155702)]