20595421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7229}}^1$

素因数の和:7284

約数の個数: 16

約数和(自身を含む): 26375040

約数和(自身を除く): 5779619

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7229, 50603, 79519, 267473, 556633, 1872311, 2942203, 20595421]

約数ペア:

[(1, 20595421), (7, 2942203), (11, 1872311), (37, 556633), (77, 267473), (259, 79519), (407, 50603), (2849, 7229)]