20515893

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3739}}^1$

素因数の和:3832

約数の個数: 16

約数和(自身を含む): 28723200

約数和(自身を除く): 8207307

約数列:

[1, 3, 31, 59, 93, 177, 1829, 3739, 5487, 11217, 115909, 220601, 347727, 661803, 6838631, 20515893]

約数ペア:

[(1, 20515893), (3, 6838631), (31, 661803), (59, 347727), (93, 220601), (177, 115909), (1829, 11217), (3739, 5487)]