20790925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 26942720

約数和(自身を除く): 6151795

約数列:

[1, 5, 25, 31, 139, 155, 193, 695, 775, 965, 3475, 4309, 4825, 5983, 21545, 26827, 29915, 107725, 134135, 149575, 670675, 831637, 4158185, 20790925]

約数ペア:

[(1, 20790925), (5, 4158185), (25, 831637), (31, 670675), (139, 149575), (155, 134135), (193, 107725), (695, 29915), (775, 26827), (965, 21545), (3475, 5983), (4309, 4825)]