20113890046

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{220291}}^1$

素因数の和:221007

約数の個数: 16

約数和(自身を含む): 30643498368

約数和(自身を除く): 10529608322

約数列:

[1, 2, 71, 142, 643, 1286, 45653, 91306, 220291, 440582, 15640661, 31281322, 141647113, 283294226, 10056945023, 20113890046]

約数ペア:

[(1, 20113890046), (2, 10056945023), (71, 283294226), (142, 141647113), (643, 31281322), (1286, 15640661), (45653, 440582), (91306, 220291)]