20872827

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 31549440

約数和(自身を除く): 10676613

約数列:

[1, 3, 9, 31, 79, 93, 237, 279, 711, 947, 2449, 2841, 7347, 8523, 22041, 29357, 74813, 88071, 224439, 264213, 673317, 2319203, 6957609, 20872827]

約数ペア:

[(1, 20872827), (3, 6957609), (9, 2319203), (31, 673317), (79, 264213), (93, 224439), (237, 88071), (279, 74813), (711, 29357), (947, 22041), (2449, 8523), (2841, 7347)]