20900338

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^2$

素因数の和:238

約数の個数: 24

約数和(自身を含む): 33260868

約数和(自身を除く): 12360530

約数列:

[1, 2, 37, 53, 73, 74, 106, 146, 1961, 2701, 3869, 3922, 5329, 5402, 7738, 10658, 143153, 197173, 282437, 286306, 394346, 564874, 10450169, 20900338]

約数ペア:

[(1, 20900338), (2, 10450169), (37, 564874), (53, 394346), (73, 286306), (74, 282437), (106, 197173), (146, 143153), (1961, 10658), (2701, 7738), (3869, 5402), (3922, 5329)]