20915043

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1753}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 28877856

約数和(自身を除く): 7962813

約数列:

[1, 3, 41, 97, 123, 291, 1753, 3977, 5259, 11931, 71873, 170041, 215619, 510123, 6971681, 20915043]

約数ペア:

[(1, 20915043), (3, 6971681), (41, 510123), (97, 215619), (123, 170041), (291, 71873), (1753, 11931), (3977, 5259)]