20196540005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{53527}}^1$

素因数の和:53765

約数の個数: 32

約数和(自身を含む): 26916447744

約数和(自身を除く): 6719907739

約数列:

[1, 5, 17, 23, 85, 115, 193, 391, 965, 1955, 3281, 4439, 16405, 22195, 53527, 75463, 267635, 377315, 909959, 1231121, 4549795, 6155605, 10330711, 20929057, 51653555, 104645285, 175622087, 237606353, 878110435, 1188031765, 4039308001, 20196540005]

約数ペア:

[(1, 20196540005), (5, 4039308001), (17, 1188031765), (23, 878110435), (85, 237606353), (115, 175622087), (193, 104645285), (391, 51653555), (965, 20929057), (1955, 10330711), (3281, 6155605), (4439, 4549795), (16405, 1231121), (22195, 909959), (53527, 377315), (75463, 267635)]