20518135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6323}}^1$

素因数の和:6398

約数の個数: 16

約数和(自身を含む): 27319680

約数和(自身を除く): 6801545

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6323, 31615, 69553, 347765, 373057, 1865285, 4103627, 20518135]

約数ペア:

[(1, 20518135), (5, 4103627), (11, 1865285), (55, 373057), (59, 347765), (295, 69553), (649, 31615), (3245, 6323)]