20188385

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5711}}^1$

素因数の和:5824

約数の個数: 16

約数和(自身を含む): 27965952

約数和(自身を除く): 7777567

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 5711, 28555, 39977, 199885, 576811, 2884055, 4037677, 20188385]

約数ペア:

[(1, 20188385), (5, 4037677), (7, 2884055), (35, 576811), (101, 199885), (505, 39977), (707, 28555), (3535, 5711)]