20560749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1487}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 9437331

約数列:

[1, 3, 11, 33, 419, 1257, 1487, 4461, 4609, 13827, 16357, 49071, 623053, 1869159, 6853583, 20560749]

約数ペア:

[(1, 20560749), (3, 6853583), (11, 1869159), (33, 623053), (419, 49071), (1257, 16357), (1487, 13827), (4461, 4609)]