20805216428

素因数分解:

$2^2\times {\mathrm{269}}^1\times {\mathrm{619}}^1\times {\mathrm{31237}}^1$

素因数の和:32129

約数の個数: 24

約数和(自身を含む): 36604688400

約数和(自身を除く): 15799471972

約数列:

[1, 2, 4, 269, 538, 619, 1076, 1238, 2476, 31237, 62474, 124948, 166511, 333022, 666044, 8402753, 16805506, 19335703, 33611012, 38671406, 77342812, 5201304107, 10402608214, 20805216428]

約数ペア:

[(1, 20805216428), (2, 10402608214), (4, 5201304107), (269, 77342812), (538, 38671406), (619, 33611012), (1076, 19335703), (1238, 16805506), (2476, 8402753), (31237, 666044), (62474, 333022), (124948, 166511)]