20765917

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 22739200

約数和(自身を除く): 1973283

約数列:

[1, 19, 37, 109, 271, 703, 2071, 4033, 5149, 10027, 29539, 76627, 190513, 561241, 1092943, 20765917]

約数ペア:

[(1, 20765917), (19, 1092943), (37, 561241), (109, 190513), (271, 76627), (703, 29539), (2071, 10027), (4033, 5149)]