20494726

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{31147}}^1$

素因数の和:31203

約数の個数: 16

約数和(自身を含む): 35882496

約数和(自身を除く): 15387770

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 31147, 62294, 218029, 436058, 1463909, 2927818, 10247363, 20494726]

約数ペア:

[(1, 20494726), (2, 10247363), (7, 2927818), (14, 1463909), (47, 436058), (94, 218029), (329, 62294), (658, 31147)]