20526807

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12373}}^1$

素因数の和:12462

約数の個数: 16

約数和(自身を含む): 31677440

約数和(自身を除く): 11150633

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12373, 37119, 86611, 259833, 977467, 2932401, 6842269, 20526807]

約数ペア:

[(1, 20526807), (3, 6842269), (7, 2932401), (21, 977467), (79, 259833), (237, 86611), (553, 37119), (1659, 12373)]