20210581447

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4107007}}^1$

素因数の和:4107070

約数の個数: 16

約数和(自身を含む): 24970608640

約数和(自身を除く): 4760027193

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 4107007, 28749049, 78033133, 151959259, 546231931, 1063714813, 2887225921, 20210581447]

約数ペア:

[(1, 20210581447), (7, 2887225921), (19, 1063714813), (37, 546231931), (133, 151959259), (259, 78033133), (703, 28749049), (4921, 4107007)]