20199990129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{646379}}^1$

素因数の和:647340

約数の個数: 16

約数和(自身を含む): 29412875520

約数和(自身を除く): 9212885391

約数列:

[1, 3, 11, 33, 947, 2841, 10417, 31251, 646379, 1939137, 7110169, 21330507, 612120913, 1836362739, 6733330043, 20199990129]

約数ペア:

[(1, 20199990129), (3, 6733330043), (11, 1836362739), (33, 612120913), (947, 21330507), (2841, 7110169), (10417, 1939137), (31251, 646379)]