20777220346

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{85639}}^1$

素因数の和:85806

約数の個数: 32

約数和(自身を含む): 33296832000

約数和(自身を除く): 12519611654

約数列:

[1, 2, 29, 47, 58, 89, 94, 178, 1363, 2581, 2726, 4183, 5162, 8366, 85639, 121307, 171278, 242614, 2483531, 4025033, 4967062, 7621871, 8050066, 15243742, 116725957, 221034259, 233451914, 358227937, 442068518, 716455874, 10388610173, 20777220346]

約数ペア:

[(1, 20777220346), (2, 10388610173), (29, 716455874), (47, 442068518), (58, 358227937), (89, 233451914), (94, 221034259), (178, 116725957), (1363, 15243742), (2581, 8050066), (2726, 7621871), (4183, 4967062), (5162, 4025033), (8366, 2483531), (85639, 242614), (121307, 171278)]