20700988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67211}}^1$

素因数の和:67233

約数の個数: 24

約数和(自身を含む): 45166464

約数和(自身を除く): 24465476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67211, 134422, 268844, 470477, 739321, 940954, 1478642, 1881908, 2957284, 5175247, 10350494, 20700988]

約数ペア:

[(1, 20700988), (2, 10350494), (4, 5175247), (7, 2957284), (11, 1881908), (14, 1478642), (22, 940954), (28, 739321), (44, 470477), (77, 268844), (154, 134422), (308, 67211)]