20938371

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1570

約数の個数: 16

約数和(自身を含む): 28742784

約数和(自身を除く): 7804413

約数列:

[1, 3, 67, 73, 201, 219, 1427, 4281, 4891, 14673, 95609, 104171, 286827, 312513, 6979457, 20938371]

約数ペア:

[(1, 20938371), (3, 6979457), (67, 312513), (73, 286827), (201, 104171), (219, 95609), (1427, 14673), (4281, 4891)]