20117018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8831}}^1$

素因数の和:8917

約数の個数: 16

約数和(自身を含む): 32431104

約数和(自身を除く): 12314086

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8831, 17662, 150127, 300254, 591677, 1183354, 10058509, 20117018]

約数ペア:

[(1, 20117018), (2, 10058509), (17, 1183354), (34, 591677), (67, 300254), (134, 150127), (1139, 17662), (2278, 8831)]