20072481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11860959

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 659, 781, 923, 1977, 2343, 2769, 7249, 8567, 10153, 21747, 25701, 30459, 46789, 94237, 140367, 282711, 514679, 608257, 1544037, 1824771, 6690827, 20072481]

約数ペア:

[(1, 20072481), (3, 6690827), (11, 1824771), (13, 1544037), (33, 608257), (39, 514679), (71, 282711), (143, 140367), (213, 94237), (429, 46789), (659, 30459), (781, 25701), (923, 21747), (1977, 10153), (2343, 8567), (2769, 7249)]