20925963

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 32196528

約数和(自身を除く): 11270565

約数列:

[1, 3, 9, 17, 51, 153, 233, 587, 699, 1761, 2097, 3961, 5283, 9979, 11883, 29937, 35649, 89811, 136771, 410313, 1230939, 2325107, 6975321, 20925963]

約数ペア:

[(1, 20925963), (3, 6975321), (9, 2325107), (17, 1230939), (51, 410313), (153, 136771), (233, 89811), (587, 35649), (699, 29937), (1761, 11883), (2097, 9979), (3961, 5283)]