20193301990

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4599841}}^1$

素因数の和:4600287

約数の個数: 16

約数和(自身を含む): 36430748640

約数和(自身を除く): 16237446650

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 4599841, 9199682, 22999205, 45998410, 2019330199, 4038660398, 10096650995, 20193301990]

約数ペア:

[(1, 20193301990), (2, 10096650995), (5, 4038660398), (10, 2019330199), (439, 45998410), (878, 22999205), (2195, 9199682), (4390, 4599841)]