20909994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26203}}^1$

素因数の和:26234

約数の個数: 32

約数和(自身を含む): 50311680

約数和(自身を除く): 29401686

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26203, 52406, 78609, 157218, 183421, 366842, 497857, 550263, 995714, 1100526, 1493571, 2987142, 3484999, 6969998, 10454997, 20909994]

約数ペア:

[(1, 20909994), (2, 10454997), (3, 6969998), (6, 3484999), (7, 2987142), (14, 1493571), (19, 1100526), (21, 995714), (38, 550263), (42, 497857), (57, 366842), (114, 183421), (133, 157218), (266, 78609), (399, 52406), (798, 26203)]