20491974

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6221}}^1$

素因数の和:6293

約数の個数: 32

約数和(自身を含む): 46291680

約数和(自身を除く): 25799706

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6221, 12442, 18663, 37326, 55989, 111978, 167967, 335934, 379481, 758962, 1138443, 2276886, 3415329, 6830658, 10245987, 20491974]

約数ペア:

[(1, 20491974), (2, 10245987), (3, 6830658), (6, 3415329), (9, 2276886), (18, 1138443), (27, 758962), (54, 379481), (61, 335934), (122, 167967), (183, 111978), (366, 55989), (549, 37326), (1098, 18663), (1647, 12442), (3294, 6221)]