20178812068

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{968831}}^1$

素因数の和:969003

約数の個数: 24

約数和(自身を含む): 36459085824

約数和(自身を除く): 16280273756

約数列:

[1, 2, 4, 41, 82, 127, 164, 254, 508, 5207, 10414, 20828, 968831, 1937662, 3875324, 39722071, 79444142, 123041537, 158888284, 246083074, 492166148, 5044703017, 10089406034, 20178812068]

約数ペア:

[(1, 20178812068), (2, 10089406034), (4, 5044703017), (41, 492166148), (82, 246083074), (127, 158888284), (164, 123041537), (254, 79444142), (508, 39722071), (5207, 3875324), (10414, 1937662), (20828, 968831)]