20972214

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{10889}}^1$

素因数の和:11004

約数の個数: 24

約数和(自身を含む): 45868680

約数和(自身を除く): 24896466

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 10889, 21778, 32667, 65334, 98001, 196002, 1165123, 2330246, 3495369, 6990738, 10486107, 20972214]

約数ペア:

[(1, 20972214), (2, 10486107), (3, 6990738), (6, 3495369), (9, 2330246), (18, 1165123), (107, 196002), (214, 98001), (321, 65334), (642, 32667), (963, 21778), (1926, 10889)]