20996596

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 17831564

約数列:

[1, 2, 4, 19, 38, 76, 431, 641, 862, 1282, 1724, 2564, 8189, 12179, 16378, 24358, 32756, 48716, 276271, 552542, 1105084, 5249149, 10498298, 20996596]

約数ペア:

[(1, 20996596), (2, 10498298), (4, 5249149), (19, 1105084), (38, 552542), (76, 276271), (431, 48716), (641, 32756), (862, 24358), (1282, 16378), (1724, 12179), (2564, 8189)]