20427910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88817}}^1$

素因数の和:88847

約数の個数: 16

約数和(自身を含む): 38369376

約数和(自身を除く): 17941466

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 88817, 177634, 444085, 888170, 2042791, 4085582, 10213955, 20427910]

約数ペア:

[(1, 20427910), (2, 10213955), (5, 4085582), (10, 2042791), (23, 888170), (46, 444085), (115, 177634), (230, 88817)]