20730995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4643}}^1$

素因数の和:4714

約数の個数: 16

約数和(自身を含む): 26749440

約数和(自身を除く): 6018445

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 4643, 23215, 88217, 218221, 441085, 1091105, 4146199, 20730995]

約数ペア:

[(1, 20730995), (5, 4146199), (19, 1091105), (47, 441085), (95, 218221), (235, 88217), (893, 23215), (4465, 4643)]