20215601

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8941}}^1$

素因数の和:8984

約数の個数: 16

約数和(自身を含む): 25752960

約数和(自身を除く): 5537359

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 8941, 62587, 151997, 169879, 1063979, 1189153, 2887943, 20215601]

約数ペア:

[(1, 20215601), (7, 2887943), (17, 1189153), (19, 1063979), (119, 169879), (133, 151997), (323, 62587), (2261, 8941)]