20803857711

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{398977}}^1$

素因数の和:399191

約数の個数: 32

約数和(自身を含む): 34318491648

約数和(自身を除く): 13514633937

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 573, 1337, 2483, 4011, 7449, 17381, 52143, 398977, 1196931, 2792839, 5186701, 8378517, 15560103, 36306907, 76204607, 108920721, 228613821, 533432249, 990659891, 1600296747, 2971979673, 6934619237, 20803857711]

約数ペア:

[(1, 20803857711), (3, 6934619237), (7, 2971979673), (13, 1600296747), (21, 990659891), (39, 533432249), (91, 228613821), (191, 108920721), (273, 76204607), (573, 36306907), (1337, 15560103), (2483, 8378517), (4011, 5186701), (7449, 2792839), (17381, 1196931), (52143, 398977)]