20822193

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4933}}^1$

素因数の和:5013

約数の個数: 24

約数和(自身を含む): 34893248

約数和(自身を除く): 14071055

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4933, 14799, 34531, 44397, 103593, 310779, 330511, 991533, 2313577, 2974599, 6940731, 20822193]

約数ペア:

[(1, 20822193), (3, 6940731), (7, 2974599), (9, 2313577), (21, 991533), (63, 330511), (67, 310779), (201, 103593), (469, 44397), (603, 34531), (1407, 14799), (4221, 4933)]