20285509629

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2373407}}^1$

素因数の和:2373465

約数の個数: 32

約数和(自身を含む): 34632769536

約数和(自身を除く): 14347259907

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 2373407, 7120221, 16613849, 26107477, 49841547, 78322431, 87816059, 182752339, 263448177, 548257017, 614712413, 965976649, 1844137239, 2897929947, 6761836543, 20285509629]

約数ペア:

[(1, 20285509629), (3, 6761836543), (7, 2897929947), (11, 1844137239), (21, 965976649), (33, 614712413), (37, 548257017), (77, 263448177), (111, 182752339), (231, 87816059), (259, 78322431), (407, 49841547), (777, 26107477), (1221, 16613849), (2849, 7120221), (8547, 2373407)]