20940705

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12577}}^1$

素因数の和:12625

約数の個数: 24

約数和(自身を含む): 37281192

約数和(自身を除く): 16340487

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 12577, 37731, 62885, 113193, 188655, 465349, 565965, 1396047, 2326745, 4188141, 6980235, 20940705]

約数ペア:

[(1, 20940705), (3, 6980235), (5, 4188141), (9, 2326745), (15, 1396047), (37, 565965), (45, 465349), (111, 188655), (185, 113193), (333, 62885), (555, 37731), (1665, 12577)]