20843095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2411}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 11574185

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 2411, 8645, 12055, 16877, 31343, 45809, 84385, 156715, 219401, 229045, 320663, 595517, 1097005, 1603315, 2977585, 4168619, 20843095]

約数ペア:

[(1, 20843095), (5, 4168619), (7, 2977585), (13, 1603315), (19, 1097005), (35, 595517), (65, 320663), (91, 229045), (95, 219401), (133, 156715), (247, 84385), (455, 45809), (665, 31343), (1235, 16877), (1729, 12055), (2411, 8645)]