20439614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21247}}^1$

素因数の和:21299

約数の個数: 16

約数和(自身を含む): 33911808

約数和(自身を除く): 13472194

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21247, 42494, 276211, 552422, 786139, 1572278, 10219807, 20439614]

約数ペア:

[(1, 20439614), (2, 10219807), (13, 1572278), (26, 786139), (37, 552422), (74, 276211), (481, 42494), (962, 21247)]