20212269

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5147}}^1$

素因数の和:5185

約数の個数: 32

約数和(自身を含む): 35582976

約数和(自身を除く): 15370707

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5147, 15441, 36029, 56617, 87499, 108087, 169851, 262497, 396319, 612493, 962489, 1188957, 1837479, 2887467, 6737423, 20212269]

約数ペア:

[(1, 20212269), (3, 6737423), (7, 2887467), (11, 1837479), (17, 1188957), (21, 962489), (33, 612493), (51, 396319), (77, 262497), (119, 169851), (187, 108087), (231, 87499), (357, 56617), (561, 36029), (1309, 15441), (3927, 5147)]