20343442

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 36547200

約数和(自身を除く): 16203758

約数列:

[1, 2, 7, 14, 29, 58, 89, 178, 203, 406, 563, 623, 1126, 1246, 2581, 3941, 5162, 7882, 16327, 18067, 32654, 36134, 50107, 100214, 114289, 228578, 350749, 701498, 1453103, 2906206, 10171721, 20343442]

約数ペア:

[(1, 20343442), (2, 10171721), (7, 2906206), (14, 1453103), (29, 701498), (58, 350749), (89, 228578), (178, 114289), (203, 100214), (406, 50107), (563, 36134), (623, 32654), (1126, 18067), (1246, 16327), (2581, 7882), (3941, 5162)]