11892020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 28764288

約数和(自身を除く): 16872268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 491, 692, 865, 982, 1211, 1730, 1964, 2422, 2455, 3437, 3460, 4844, 4910, 6055, 6874, 9820, 12110, 13748, 17185, 24220, 34370, 68740, 84943, 169886, 339772, 424715, 594601, 849430, 1189202, 1698860, 2378404, 2973005, 5946010, 11892020]

約数ペア:

[(1, 11892020), (2, 5946010), (4, 2973005), (5, 2378404), (7, 1698860), (10, 1189202), (14, 849430), (20, 594601), (28, 424715), (35, 339772), (70, 169886), (140, 84943), (173, 68740), (346, 34370), (491, 24220), (692, 17185), (865, 13748), (982, 12110), (1211, 9820), (1730, 6874), (1964, 6055), (2422, 4910), (2455, 4844), (3437, 3460)]