20804938418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{18211}}^1\times {\mathrm{51929}}^1$

素因数の和:70153

約数の個数: 16

約数和(自身を含む): 34046969760

約数和(自身を除く): 13242031342

約数列:

[1, 2, 11, 22, 18211, 36422, 51929, 103858, 200321, 400642, 571219, 1142438, 945679019, 1891358038, 10402469209, 20804938418]

約数ペア:

[(1, 20804938418), (2, 10402469209), (11, 1891358038), (22, 945679019), (18211, 1142438), (36422, 571219), (51929, 400642), (103858, 200321)]