20823142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{4153}}^1$

素因数の和:4287

約数の個数: 16

約数和(自身を含む): 32899680

約数和(自身を除く): 12076538

約数列:

[1, 2, 23, 46, 109, 218, 2507, 4153, 5014, 8306, 95519, 191038, 452677, 905354, 10411571, 20823142]

約数ペア:

[(1, 20823142), (2, 10411571), (23, 905354), (46, 452677), (109, 191038), (218, 95519), (2507, 8306), (4153, 5014)]