20795481

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5791}}^1$

素因数の和:5826

約数の個数: 32

約数和(自身を含む): 37068800

約数和(自身を除く): 16273319

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5791, 17373, 40537, 52119, 110029, 121611, 156357, 330087, 364833, 770203, 990261, 1094499, 2310609, 2970783, 6931827, 20795481]

約数ペア:

[(1, 20795481), (3, 6931827), (7, 2970783), (9, 2310609), (19, 1094499), (21, 990261), (27, 770203), (57, 364833), (63, 330087), (133, 156357), (171, 121611), (189, 110029), (399, 52119), (513, 40537), (1197, 17373), (3591, 5791)]