20512632984

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{205307}}^1$

素因数の和:205520

約数の個数: 64

約数和(自身を含む): 53807120640

約数和(自身を除く): 33294487656

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 181, 184, 276, 362, 543, 552, 724, 1086, 1448, 2172, 4163, 4344, 8326, 12489, 16652, 24978, 33304, 49956, 99912, 205307, 410614, 615921, 821228, 1231842, 1642456, 2463684, 4722061, 4927368, 9444122, 14166183, 18888244, 28332366, 37160567, 37776488, 56664732, 74321134, 111481701, 113329464, 148642268, 222963402, 297284536, 445926804, 854693041, 891853608, 1709386082, 2564079123, 3418772164, 5128158246, 6837544328, 10256316492, 20512632984]

約数ペア:

[(1, 20512632984), (2, 10256316492), (3, 6837544328), (4, 5128158246), (6, 3418772164), (8, 2564079123), (12, 1709386082), (23, 891853608), (24, 854693041), (46, 445926804), (69, 297284536), (92, 222963402), (138, 148642268), (181, 113329464), (184, 111481701), (276, 74321134), (362, 56664732), (543, 37776488), (552, 37160567), (724, 28332366), (1086, 18888244), (1448, 14166183), (2172, 9444122), (4163, 4927368), (4344, 4722061), (8326, 2463684), (12489, 1642456), (16652, 1231842), (24978, 821228), (33304, 615921), (49956, 410614), (99912, 205307)]