20949688

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2777}}^1$

素因数の和:2847

約数の個数: 32

約数和(自身を含む): 42003360

約数和(自身を除く): 21053672

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 2777, 3772, 5554, 7544, 11108, 22216, 63871, 113857, 127742, 227714, 255484, 455428, 510968, 910856, 2618711, 5237422, 10474844, 20949688]

約数ペア:

[(1, 20949688), (2, 10474844), (4, 5237422), (8, 2618711), (23, 910856), (41, 510968), (46, 455428), (82, 255484), (92, 227714), (164, 127742), (184, 113857), (328, 63871), (943, 22216), (1886, 11108), (2777, 7544), (3772, 5554)]