20933164

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2909}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 42043680

約数和(自身を除く): 21110516

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 2909, 3598, 5818, 7196, 11636, 20363, 40726, 81452, 747613, 1495226, 2990452, 5233291, 10466582, 20933164]

約数ペア:

[(1, 20933164), (2, 10466582), (4, 5233291), (7, 2990452), (14, 1495226), (28, 747613), (257, 81452), (514, 40726), (1028, 20363), (1799, 11636), (2909, 7196), (3598, 5818)]