20542566

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 44985600

約数和(自身を除く): 24443034

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 439, 709, 878, 1317, 1418, 2127, 2634, 4254, 4829, 7799, 9658, 14487, 15598, 23397, 28974, 46794, 311251, 622502, 933753, 1867506, 3423761, 6847522, 10271283, 20542566]

約数ペア:

[(1, 20542566), (2, 10271283), (3, 6847522), (6, 3423761), (11, 1867506), (22, 933753), (33, 622502), (66, 311251), (439, 46794), (709, 28974), (878, 23397), (1317, 15598), (1418, 14487), (2127, 9658), (2634, 7799), (4254, 4829)]