20776979512

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29181151}}^1$

素因数の和:29181246

約数の個数: 16

約数和(自身を含む): 39394555200

約数和(自身を除く): 18617575688

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29181151, 58362302, 116724604, 233449208, 2597122439, 5194244878, 10388489756, 20776979512]

約数ペア:

[(1, 20776979512), (2, 10388489756), (4, 5194244878), (8, 2597122439), (89, 233449208), (178, 116724604), (356, 58362302), (712, 29181151)]