20807192

素因数分解:

$2^3\times 7^1\times {\mathrm{569}}^1\times {\mathrm{653}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 44733600

約数和(自身を除く): 23926408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 569, 653, 1138, 1306, 2276, 2612, 3983, 4552, 4571, 5224, 7966, 9142, 15932, 18284, 31864, 36568, 371557, 743114, 1486228, 2600899, 2972456, 5201798, 10403596, 20807192]

約数ペア:

[(1, 20807192), (2, 10403596), (4, 5201798), (7, 2972456), (8, 2600899), (14, 1486228), (28, 743114), (56, 371557), (569, 36568), (653, 31864), (1138, 18284), (1306, 15932), (2276, 9142), (2612, 7966), (3983, 5224), (4552, 4571)]