20827851

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 30790032

約数和(自身を除く): 9962181

約数列:

[1, 3, 11, 33, 121, 181, 317, 363, 543, 951, 1991, 3487, 5973, 10461, 21901, 38357, 57377, 65703, 115071, 172131, 631147, 1893441, 6942617, 20827851]

約数ペア:

[(1, 20827851), (3, 6942617), (11, 1893441), (33, 631147), (121, 172131), (181, 115071), (317, 65703), (363, 57377), (543, 38357), (951, 21901), (1991, 10461), (3487, 5973)]