20689713

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2029}}^1$

素因数の和:2149

約数の個数: 24

約数和(自身を含む): 32934720

約数和(自身を除く): 12245007

約数列:

[1, 3, 9, 11, 33, 99, 103, 309, 927, 1133, 2029, 3399, 6087, 10197, 18261, 22319, 66957, 200871, 208987, 626961, 1880883, 2298857, 6896571, 20689713]

約数ペア:

[(1, 20689713), (3, 6896571), (9, 2298857), (11, 1880883), (33, 626961), (99, 208987), (103, 200871), (309, 66957), (927, 22319), (1133, 18261), (2029, 10197), (3399, 6087)]