20160820257

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3433967}}^1$

素因数の和:3434092

約数の個数: 16

約数和(自身を含む): 28570613760

約数和(自身を除く): 8409793503

約数列:

[1, 3, 19, 57, 103, 309, 1957, 5871, 3433967, 10301901, 65245373, 195736119, 353698601, 1061095803, 6720273419, 20160820257]

約数ペア:

[(1, 20160820257), (3, 6720273419), (19, 1061095803), (57, 353698601), (103, 195736119), (309, 65245373), (1957, 10301901), (5871, 3433967)]