20805610832

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{2339}}^1\times {\mathrm{3329}}^1$

素因数の和:5843

約数の個数: 40

約数和(自身を含む): 40581777600

約数和(自身を除く): 19776166768

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2339, 2672, 3329, 4678, 6658, 9356, 13316, 18712, 26632, 37424, 53264, 390613, 555943, 781226, 1111886, 1562452, 2223772, 3124904, 4447544, 6249808, 7786531, 8895088, 15573062, 31146124, 62292248, 124584496, 1300350677, 2600701354, 5201402708, 10402805416, 20805610832]

約数ペア:

[(1, 20805610832), (2, 10402805416), (4, 5201402708), (8, 2600701354), (16, 1300350677), (167, 124584496), (334, 62292248), (668, 31146124), (1336, 15573062), (2339, 8895088), (2672, 7786531), (3329, 6249808), (4678, 4447544), (6658, 3124904), (9356, 2223772), (13316, 1562452), (18712, 1111886), (26632, 781226), (37424, 555943), (53264, 390613)]