20319466

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1103}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 31212288

約数和(自身を除く): 10892822

約数列:

[1, 2, 61, 122, 151, 302, 1103, 2206, 9211, 18422, 67283, 134566, 166553, 333106, 10159733, 20319466]

約数ペア:

[(1, 20319466), (2, 10159733), (61, 333106), (122, 166553), (151, 134566), (302, 67283), (1103, 18422), (2206, 9211)]