20017994

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1669

約数の個数: 16

約数和(自身を含む): 30855168

約数和(自身を除く): 10837174

約数列:

[1, 2, 53, 106, 127, 254, 1487, 2974, 6731, 13462, 78811, 157622, 188849, 377698, 10008997, 20017994]

約数ペア:

[(1, 20017994), (2, 10008997), (53, 377698), (106, 188849), (127, 157622), (254, 78811), (1487, 13462), (2974, 6731)]