20339116

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2531}}^1$

素因数の和:2590

約数の個数: 36

約数和(自身を含む): 42431256

約数和(自身を除く): 22092140

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2531, 4018, 5062, 8036, 10124, 17717, 35434, 70868, 103771, 124019, 207542, 248038, 415084, 496076, 726397, 1452794, 2905588, 5084779, 10169558, 20339116]

約数ペア:

[(1, 20339116), (2, 10169558), (4, 5084779), (7, 2905588), (14, 1452794), (28, 726397), (41, 496076), (49, 415084), (82, 248038), (98, 207542), (164, 124019), (196, 103771), (287, 70868), (574, 35434), (1148, 17717), (2009, 10124), (2531, 8036), (4018, 5062)]