220520036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{70589}}^1$

素因数の和:70675

約数の個数: 24

約数和(自身を含む): 426928320

約数和(自身を除く): 206408284

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 70589, 141178, 282356, 776479, 1552958, 3105916, 5011819, 10023638, 20047276, 55130009, 110260018, 220520036]

約数ペア:

[(1, 220520036), (2, 110260018), (4, 55130009), (11, 20047276), (22, 10023638), (44, 5011819), (71, 3105916), (142, 1552958), (284, 776479), (781, 282356), (1562, 141178), (3124, 70589)]