20099930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 38009088

約数和(自身を除く): 17909158

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 281, 311, 562, 622, 1405, 1555, 2810, 3110, 6463, 7153, 12926, 14306, 32315, 35765, 64630, 71530, 87391, 174782, 436955, 873910, 2009993, 4019986, 10049965, 20099930]

約数ペア:

[(1, 20099930), (2, 10049965), (5, 4019986), (10, 2009993), (23, 873910), (46, 436955), (115, 174782), (230, 87391), (281, 71530), (311, 64630), (562, 35765), (622, 32315), (1405, 14306), (1555, 12926), (2810, 7153), (3110, 6463)]