20126178982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{135353}}^1$

素因数の和:135437

約数の個数: 64

約数和(自身を含む): 40021470720

約数和(自身を除く): 19895291738

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 43, 86, 91, 133, 182, 247, 266, 301, 494, 559, 602, 817, 1118, 1634, 1729, 3458, 3913, 5719, 7826, 10621, 11438, 21242, 74347, 135353, 148694, 270706, 947471, 1759589, 1894942, 2571707, 3519178, 5143414, 5820179, 11640358, 12317123, 18001949, 24634246, 33432191, 36003898, 40741253, 66864382, 75662327, 81482506, 110583401, 151324654, 221166802, 234025337, 468050674, 529636289, 774083807, 1059272578, 1437584213, 1548167614, 2875168426, 10063089491, 20126178982]

約数ペア:

[(1, 20126178982), (2, 10063089491), (7, 2875168426), (13, 1548167614), (14, 1437584213), (19, 1059272578), (26, 774083807), (38, 529636289), (43, 468050674), (86, 234025337), (91, 221166802), (133, 151324654), (182, 110583401), (247, 81482506), (266, 75662327), (301, 66864382), (494, 40741253), (559, 36003898), (602, 33432191), (817, 24634246), (1118, 18001949), (1634, 12317123), (1729, 11640358), (3458, 5820179), (3913, 5143414), (5719, 3519178), (7826, 2571707), (10621, 1894942), (11438, 1759589), (21242, 947471), (74347, 270706), (135353, 148694)]