20508282

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 47779200

約数和(自身を除く): 27270918

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 59, 82, 118, 123, 157, 177, 246, 314, 354, 369, 471, 531, 738, 942, 1062, 1107, 1413, 1593, 2214, 2419, 2826, 3186, 4239, 4838, 6437, 7257, 8478, 9263, 12874, 14514, 18526, 19311, 21771, 27789, 38622, 43542, 55578, 57933, 65313, 83367, 115866, 130626, 166734, 173799, 250101, 347598, 379783, 500202, 759566, 1139349, 2278698, 3418047, 6836094, 10254141, 20508282]

約数ペア:

[(1, 20508282), (2, 10254141), (3, 6836094), (6, 3418047), (9, 2278698), (18, 1139349), (27, 759566), (41, 500202), (54, 379783), (59, 347598), (82, 250101), (118, 173799), (123, 166734), (157, 130626), (177, 115866), (246, 83367), (314, 65313), (354, 57933), (369, 55578), (471, 43542), (531, 38622), (738, 27789), (942, 21771), (1062, 19311), (1107, 18526), (1413, 14514), (1593, 12874), (2214, 9263), (2419, 8478), (2826, 7257), (3186, 6437), (4239, 4838)]