20337291

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4457}}^1$

素因数の和:4492

約数の個数: 24

約数和(自身を含む): 32632560

約数和(自身を除く): 12295269

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4457, 4563, 13371, 40113, 57941, 120339, 173823, 521469, 753233, 1564407, 2259699, 6779097, 20337291]

約数ペア:

[(1, 20337291), (3, 6779097), (9, 2259699), (13, 1564407), (27, 753233), (39, 521469), (117, 173823), (169, 120339), (351, 57941), (507, 40113), (1521, 13371), (4457, 4563)]