20540768

素因数分解:

$2^5\times {\mathrm{653}}^1\times {\mathrm{983}}^1$

素因数の和:1646

約数の個数: 24

約数和(自身を含む): 40542768

約数和(自身を除く): 20002000

約数列:

[1, 2, 4, 8, 16, 32, 653, 983, 1306, 1966, 2612, 3932, 5224, 7864, 10448, 15728, 20896, 31456, 641899, 1283798, 2567596, 5135192, 10270384, 20540768]

約数ペア:

[(1, 20540768), (2, 10270384), (4, 5135192), (8, 2567596), (16, 1283798), (32, 641899), (653, 31456), (983, 20896), (1306, 15728), (1966, 10448), (2612, 7864), (3932, 5224)]