20541796672

素因数分解:

$2^6\times {\mathrm{2351}}^1\times {\mathrm{136523}}^1$

素因数の和:138886

約数の個数: 28

約数和(自身を含む): 40780264896

約数和(自身を除く): 20238468224

約数列:

[1, 2, 4, 8, 16, 32, 64, 2351, 4702, 9404, 18808, 37616, 75232, 136523, 150464, 273046, 546092, 1092184, 2184368, 4368736, 8737472, 320965573, 641931146, 1283862292, 2567724584, 5135449168, 10270898336, 20541796672]

約数ペア:

[(1, 20541796672), (2, 10270898336), (4, 5135449168), (8, 2567724584), (16, 1283862292), (32, 641931146), (64, 320965573), (2351, 8737472), (4702, 4368736), (9404, 2184368), (18808, 1092184), (37616, 546092), (75232, 273046), (136523, 150464)]