20627906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1721}}^1$

素因数の和:2197

約数の個数: 16

約数和(自身を含む): 33413688

約数和(自身を除く): 12785782

約数列:

[1, 2, 13, 26, 461, 922, 1721, 3442, 5993, 11986, 22373, 44746, 793381, 1586762, 10313953, 20627906]

約数ペア:

[(1, 20627906), (2, 10313953), (13, 1586762), (26, 793381), (461, 44746), (922, 22373), (1721, 11986), (3442, 5993)]