20344515568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4271}}^1\times {\mathrm{22901}}^1$

素因数の和:27193

約数の個数: 40

約数和(自身を含む): 42461407296

約数和(自身を除く): 22116891728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4271, 8542, 17084, 22901, 34168, 45802, 55523, 68336, 91604, 111046, 183208, 222092, 297713, 366416, 444184, 595426, 888368, 1190852, 2381704, 4763408, 97810171, 195620342, 391240684, 782481368, 1271532223, 1564962736, 2543064446, 5086128892, 10172257784, 20344515568]

約数ペア:

[(1, 20344515568), (2, 10172257784), (4, 5086128892), (8, 2543064446), (13, 1564962736), (16, 1271532223), (26, 782481368), (52, 391240684), (104, 195620342), (208, 97810171), (4271, 4763408), (8542, 2381704), (17084, 1190852), (22901, 888368), (34168, 595426), (45802, 444184), (55523, 366416), (68336, 297713), (91604, 222092), (111046, 183208)]