20187293

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2269}}^1$

素因数の和:2348

約数の個数: 16

約数和(自身を含む): 24407040

約数和(自身を除く): 4219747

約数列:

[1, 7, 31, 41, 217, 287, 1271, 2269, 8897, 15883, 70339, 93029, 492373, 651203, 2883899, 20187293]

約数ペア:

[(1, 20187293), (7, 2883899), (31, 651203), (41, 492373), (217, 93029), (287, 70339), (1271, 15883), (2269, 8897)]