20173909892

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{63841487}}^1$

素因数の和:63841570

約数の個数: 12

約数和(自身を含む): 35751233280

約数和(自身を除く): 15577323388

約数列:

[1, 2, 4, 79, 158, 316, 63841487, 127682974, 255365948, 5043477473, 10086954946, 20173909892]

約数ペア:

[(1, 20173909892), (2, 10086954946), (4, 5043477473), (79, 255365948), (158, 127682974), (316, 63841487)]