20388502

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2283

約数の個数: 16

約数和(自身を含む): 31491072

約数和(自身を除く): 11102570

約数列:

[1, 2, 67, 71, 134, 142, 2143, 4286, 4757, 9514, 143581, 152153, 287162, 304306, 10194251, 20388502]

約数ペア:

[(1, 20388502), (2, 10194251), (67, 304306), (71, 287162), (134, 152153), (142, 143581), (2143, 9514), (4286, 4757)]