20159937

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13913}}^1$

素因数の和:13949

約数の個数: 24

約数和(自身を含む): 34729344

約数和(自身を除く): 14569407

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13913, 41739, 97391, 125217, 292173, 319999, 876519, 959997, 2239993, 2879991, 6719979, 20159937]

約数ペア:

[(1, 20159937), (3, 6719979), (7, 2879991), (9, 2239993), (21, 959997), (23, 876519), (63, 319999), (69, 292173), (161, 125217), (207, 97391), (483, 41739), (1449, 13913)]