20710863

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 32114880

約数和(自身を除く): 11404017

約数列:

[1, 3, 9, 27, 41, 53, 123, 159, 353, 369, 477, 1059, 1107, 1431, 2173, 3177, 6519, 9531, 14473, 18709, 19557, 43419, 56127, 58671, 130257, 168381, 390771, 505143, 767069, 2301207, 6903621, 20710863]

約数ペア:

[(1, 20710863), (3, 6903621), (9, 2301207), (27, 767069), (41, 505143), (53, 390771), (123, 168381), (159, 130257), (353, 58671), (369, 56127), (477, 43419), (1059, 19557), (1107, 18709), (1431, 14473), (2173, 9531), (3177, 6519)]