20691010298

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{43}}^1\times {\mathrm{5011}}^1$

素因数の和:5120

約数の個数: 64

約数和(自身を含む): 38318945280

約数和(自身を除く): 17627934982

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 361, 602, 722, 817, 1634, 2527, 5011, 5054, 5719, 6859, 10022, 11438, 13718, 15523, 31046, 35077, 48013, 70154, 95209, 96026, 108661, 190418, 215473, 217322, 294937, 430946, 589874, 666463, 1332926, 1508311, 1808971, 2064559, 3016622, 3617942, 4093987, 4129118, 8187974, 12662797, 25325594, 28657909, 34370449, 57315818, 68740898, 77785753, 155571506, 240593143, 481186286, 544500271, 1089000542, 1477929307, 2955858614, 10345505149, 20691010298]

約数ペア:

[(1, 20691010298), (2, 10345505149), (7, 2955858614), (14, 1477929307), (19, 1089000542), (38, 544500271), (43, 481186286), (86, 240593143), (133, 155571506), (266, 77785753), (301, 68740898), (361, 57315818), (602, 34370449), (722, 28657909), (817, 25325594), (1634, 12662797), (2527, 8187974), (5011, 4129118), (5054, 4093987), (5719, 3617942), (6859, 3016622), (10022, 2064559), (11438, 1808971), (13718, 1508311), (15523, 1332926), (31046, 666463), (35077, 589874), (48013, 430946), (70154, 294937), (95209, 217322), (96026, 215473), (108661, 190418)]