20001641386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 32606945280

約数和(自身を除く): 12605303894

約数列:

[1, 2, 23, 46, 47, 79, 94, 158, 181, 362, 647, 1081, 1294, 1817, 2162, 3634, 3713, 4163, 7426, 8326, 8507, 14299, 14881, 17014, 28598, 29762, 30409, 51113, 60818, 85399, 102226, 117107, 170798, 195661, 234214, 328877, 391322, 657754, 672053, 699407, 1175599, 1344106, 1398814, 2351198, 2402311, 2693461, 4804622, 5386922, 5504029, 9251453, 11008058, 15457219, 18502906, 30914438, 55253153, 110506306, 126592667, 212783419, 253185334, 425566838, 434818291, 869636582, 10000820693, 20001641386]

約数ペア:

[(1, 20001641386), (2, 10000820693), (23, 869636582), (46, 434818291), (47, 425566838), (79, 253185334), (94, 212783419), (158, 126592667), (181, 110506306), (362, 55253153), (647, 30914438), (1081, 18502906), (1294, 15457219), (1817, 11008058), (2162, 9251453), (3634, 5504029), (3713, 5386922), (4163, 4804622), (7426, 2693461), (8326, 2402311), (8507, 2351198), (14299, 1398814), (14881, 1344106), (17014, 1175599), (28598, 699407), (29762, 672053), (30409, 657754), (51113, 391322), (60818, 328877), (85399, 234214), (102226, 195661), (117107, 170798)]