20729499

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1699}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 32558400

約数和(自身を除く): 11828901

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1699, 1743, 4067, 5097, 11893, 12201, 35679, 83251, 141017, 249753, 423051, 987119, 2961357, 6909833, 20729499]

約数ペア:

[(1, 20729499), (3, 6909833), (7, 2961357), (21, 987119), (49, 423051), (83, 249753), (147, 141017), (249, 83251), (581, 35679), (1699, 12201), (1743, 11893), (4067, 5097)]