20128861688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{3709}}^1\times {\mathrm{52183}}^1$

素因数の和:55911

約数の個数: 32

約数和(自身を含む): 40656554400

約数和(自身を除く): 20527692712

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 3709, 7418, 14836, 29672, 48217, 52183, 96434, 104366, 192868, 208732, 385736, 417464, 678379, 1356758, 2713516, 5427032, 193546747, 387093494, 774186988, 1548373976, 2516107711, 5032215422, 10064430844, 20128861688]

約数ペア:

[(1, 20128861688), (2, 10064430844), (4, 5032215422), (8, 2516107711), (13, 1548373976), (26, 774186988), (52, 387093494), (104, 193546747), (3709, 5427032), (7418, 2713516), (14836, 1356758), (29672, 678379), (48217, 417464), (52183, 385736), (96434, 208732), (104366, 192868)]