20351964

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 52174080

約数和(自身を除く): 31822116

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3881, 5244, 7762, 11643, 15524, 23286, 46572, 73739, 89263, 147478, 178526, 221217, 267789, 294956, 357052, 442434, 535578, 884868, 1071156, 1695997, 3391994, 5087991, 6783988, 10175982, 20351964]

約数ペア:

[(1, 20351964), (2, 10175982), (3, 6783988), (4, 5087991), (6, 3391994), (12, 1695997), (19, 1071156), (23, 884868), (38, 535578), (46, 442434), (57, 357052), (69, 294956), (76, 267789), (92, 221217), (114, 178526), (138, 147478), (228, 89263), (276, 73739), (437, 46572), (874, 23286), (1311, 15524), (1748, 11643), (2622, 7762), (3881, 5244)]