20763783

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{887}}^1$

素因数の和:933

約数の個数: 30

約数和(自身を含む): 32986536

約数和(自身を除く): 12222753

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 289, 459, 867, 887, 1377, 2601, 2661, 7803, 7983, 15079, 23409, 23949, 45237, 71847, 135711, 256343, 407133, 769029, 1221399, 2307087, 6921261, 20763783]

約数ペア:

[(1, 20763783), (3, 6921261), (9, 2307087), (17, 1221399), (27, 769029), (51, 407133), (81, 256343), (153, 135711), (289, 71847), (459, 45237), (867, 23949), (887, 23409), (1377, 15079), (2601, 7983), (2661, 7803)]