17520920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3449}}^1$

素因数の和:3587

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 22223080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3449, 5080, 6898, 13796, 17245, 27592, 34490, 68980, 137960, 438023, 876046, 1752092, 2190115, 3504184, 4380230, 8760460, 17520920]

約数ペア:

[(1, 17520920), (2, 8760460), (4, 4380230), (5, 3504184), (8, 2190115), (10, 1752092), (20, 876046), (40, 438023), (127, 137960), (254, 68980), (508, 34490), (635, 27592), (1016, 17245), (1270, 13796), (2540, 6898), (3449, 5080)]