20929011

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 9552909

約数列:

[1, 3, 23, 53, 59, 69, 97, 159, 177, 291, 1219, 1357, 2231, 3127, 3657, 4071, 5141, 5723, 6693, 9381, 15423, 17169, 71921, 118243, 131629, 215763, 303319, 354729, 394887, 909957, 6976337, 20929011]

約数ペア:

[(1, 20929011), (3, 6976337), (23, 909957), (53, 394887), (59, 354729), (69, 303319), (97, 215763), (159, 131629), (177, 118243), (291, 71921), (1219, 17169), (1357, 15423), (2231, 9381), (3127, 6693), (3657, 5723), (4071, 5141)]