20167557123

素因数分解:

$3^1\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{619987}}^1$

素因数の和:621546

約数の個数: 16

約数和(自身を含む): 30751404800

約数和(自身を除く): 10583847677

約数列:

[1, 3, 7, 21, 1549, 4647, 10843, 32529, 619987, 1859961, 4339909, 13019727, 960359863, 2881079589, 6722519041, 20167557123]

約数ペア:

[(1, 20167557123), (3, 6722519041), (7, 2881079589), (21, 960359863), (1549, 13019727), (4647, 4339909), (10843, 1859961), (32529, 619987)]