20805064

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 27406136

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 29, 46, 56, 58, 92, 116, 161, 184, 203, 232, 322, 406, 557, 644, 667, 812, 1114, 1288, 1334, 1624, 2228, 2668, 3899, 4456, 4669, 5336, 7798, 9338, 12811, 15596, 16153, 18676, 25622, 31192, 32306, 37352, 51244, 64612, 89677, 102488, 113071, 129224, 179354, 226142, 358708, 371519, 452284, 717416, 743038, 904568, 1486076, 2600633, 2972152, 5201266, 10402532, 20805064]

約数ペア:

[(1, 20805064), (2, 10402532), (4, 5201266), (7, 2972152), (8, 2600633), (14, 1486076), (23, 904568), (28, 743038), (29, 717416), (46, 452284), (56, 371519), (58, 358708), (92, 226142), (116, 179354), (161, 129224), (184, 113071), (203, 102488), (232, 89677), (322, 64612), (406, 51244), (557, 37352), (644, 32306), (667, 31192), (812, 25622), (1114, 18676), (1288, 16153), (1334, 15596), (1624, 12811), (2228, 9338), (2668, 7798), (3899, 5336), (4456, 4669)]