20154854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4517}}^1$

素因数の和:4639

約数の個数: 16

約数和(自身を含む): 31879008

約数和(自身を除く): 11724154

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4517, 9034, 103891, 207782, 438149, 876298, 10077427, 20154854]

約数ペア:

[(1, 20154854), (2, 10077427), (23, 876298), (46, 438149), (97, 207782), (194, 103891), (2231, 9034), (4462, 4517)]