20750191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8693}}^1$

素因数の和:8742

約数の個数: 16

約数和(自身を含む): 26707968

約数和(自身を除く): 5957777

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 8693, 60851, 95623, 269483, 669361, 1886381, 2964313, 20750191]

約数ペア:

[(1, 20750191), (7, 2964313), (11, 1886381), (31, 669361), (77, 269483), (217, 95623), (341, 60851), (2387, 8693)]