20683533

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 31682560

約数和(自身を除く): 10999027

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 271, 309, 741, 813, 1339, 1957, 3523, 4017, 5149, 5871, 10569, 15447, 25441, 27913, 66937, 76323, 83739, 200811, 362869, 530347, 1088607, 1591041, 6894511, 20683533]

約数ペア:

[(1, 20683533), (3, 6894511), (13, 1591041), (19, 1088607), (39, 530347), (57, 362869), (103, 200811), (247, 83739), (271, 76323), (309, 66937), (741, 27913), (813, 25441), (1339, 15447), (1957, 10569), (3523, 5871), (4017, 5149)]