20131978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6653}}^1$

素因数の和:6761

約数の個数: 16

約数和(自身を含む): 32338440

約数和(自身を除く): 12206462

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6653, 13306, 113101, 226202, 592117, 1184234, 10065989, 20131978]

約数ペア:

[(1, 20131978), (2, 10065989), (17, 1184234), (34, 592117), (89, 226202), (178, 113101), (1513, 13306), (3026, 6653)]