20785951869

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1\times {\mathrm{4111}}^1$

素因数の和:4885

約数の個数: 32

約数和(自身を含む): 29043878400

約数和(自身を除く): 8257926531

約数列:

[1, 3, 29, 87, 89, 267, 653, 1959, 2581, 4111, 7743, 12333, 18937, 56811, 58117, 119219, 174351, 357657, 365879, 1097637, 1685393, 2684483, 5056179, 8053449, 10610491, 31831473, 77850007, 233550021, 238918987, 716756961, 6928650623, 20785951869]

約数ペア:

[(1, 20785951869), (3, 6928650623), (29, 716756961), (87, 238918987), (89, 233550021), (267, 77850007), (653, 31831473), (1959, 10610491), (2581, 8053449), (4111, 5056179), (7743, 2684483), (12333, 1685393), (18937, 1097637), (56811, 365879), (58117, 357657), (119219, 174351)]