20798743

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 24553984

約数和(自身を除く): 3755241

約数列:

[1, 7, 61, 67, 427, 469, 727, 4087, 5089, 28609, 44347, 48709, 310429, 340963, 2971249, 20798743]

約数ペア:

[(1, 20798743), (7, 2971249), (61, 340963), (67, 310429), (427, 48709), (469, 44347), (727, 28609), (4087, 5089)]