20851534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23117}}^1$

素因数の和:23171

約数の個数: 16

約数和(自身を含む): 34954416

約数和(自身を除く): 14102882

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23117, 46234, 254287, 508574, 947797, 1895594, 10425767, 20851534]

約数ペア:

[(1, 20851534), (2, 10425767), (11, 1895594), (22, 947797), (41, 508574), (82, 254287), (451, 46234), (902, 23117)]