20960841

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1553}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 30582720

約数和(自身を除く): 9621879

約数列:

[1, 3, 11, 33, 409, 1227, 1553, 4499, 4659, 13497, 17083, 51249, 635177, 1905531, 6986947, 20960841]

約数ペア:

[(1, 20960841), (3, 6986947), (11, 1905531), (33, 635177), (409, 51249), (1227, 17083), (1553, 13497), (4499, 4659)]