20783728

素因数分解:

$2^4\times 7^1\times {\mathrm{185569}}^1$

素因数の和:185584

約数の個数: 20

約数和(自身を含む): 46021360

約数和(自身を除く): 25237632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 185569, 371138, 742276, 1298983, 1484552, 2597966, 2969104, 5195932, 10391864, 20783728]

約数ペア:

[(1, 20783728), (2, 10391864), (4, 5195932), (7, 2969104), (8, 2597966), (14, 1484552), (16, 1298983), (28, 742276), (56, 371138), (112, 185569)]