20367772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1019}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 37699200

約数和(自身を除く): 17331428

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 1019, 1052, 2038, 4076, 4997, 9994, 19361, 19988, 38722, 77444, 267997, 535994, 1071988, 5091943, 10183886, 20367772]

約数ペア:

[(1, 20367772), (2, 10183886), (4, 5091943), (19, 1071988), (38, 535994), (76, 267997), (263, 77444), (526, 38722), (1019, 19988), (1052, 19361), (2038, 9994), (4076, 4997)]