20173346109

素因数分解:

$3^3\times 7^2\times {\mathrm{2741}}^1\times {\mathrm{5563}}^1$

素因数の和:8327

約数の個数: 48

約数和(自身を含む): 34784792640

約数和(自身を除く): 14611446531

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2741, 5563, 8223, 16689, 19187, 24669, 38941, 50067, 57561, 74007, 116823, 134309, 150201, 172683, 272587, 350469, 402927, 518049, 817761, 1051407, 1208781, 2453283, 3626343, 7359849, 15248183, 45744549, 106737281, 137233647, 320211843, 411700941, 747160967, 960635529, 2241482901, 2881906587, 6724448703, 20173346109]

約数ペア:

[(1, 20173346109), (3, 6724448703), (7, 2881906587), (9, 2241482901), (21, 960635529), (27, 747160967), (49, 411700941), (63, 320211843), (147, 137233647), (189, 106737281), (441, 45744549), (1323, 15248183), (2741, 7359849), (5563, 3626343), (8223, 2453283), (16689, 1208781), (19187, 1051407), (24669, 817761), (38941, 518049), (50067, 402927), (57561, 350469), (74007, 272587), (116823, 172683), (134309, 150201)]