13864220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4007}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 29290464

約数和(自身を除く): 15426244

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 4007, 8014, 16028, 20035, 40070, 80140, 693211, 1386422, 2772844, 3466055, 6932110, 13864220]

約数ペア:

[(1, 13864220), (2, 6932110), (4, 3466055), (5, 2772844), (10, 1386422), (20, 693211), (173, 80140), (346, 40070), (692, 20035), (865, 16028), (1730, 8014), (3460, 4007)]