20852769

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 33304320

約数和(自身を除く): 12451551

約数列:

[1, 3, 7, 21, 29, 87, 97, 203, 291, 353, 609, 679, 1059, 2037, 2471, 2813, 7413, 8439, 10237, 19691, 30711, 34241, 59073, 71659, 102723, 214977, 239687, 719061, 992989, 2978967, 6950923, 20852769]

約数ペア:

[(1, 20852769), (3, 6950923), (7, 2978967), (21, 992989), (29, 719061), (87, 239687), (97, 214977), (203, 102723), (291, 71659), (353, 59073), (609, 34241), (679, 30711), (1059, 19691), (2037, 10237), (2471, 8439), (2813, 7413)]