20713878

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7621}}^1$

素因数の和:7780

約数の個数: 24

約数和(自身を含む): 45183216

約数和(自身を除く): 24469338

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7621, 15242, 22863, 45726, 68589, 137178, 1150771, 2301542, 3452313, 6904626, 10356939, 20713878]

約数ペア:

[(1, 20713878), (2, 10356939), (3, 6904626), (6, 3452313), (9, 2301542), (18, 1150771), (151, 137178), (302, 68589), (453, 45726), (906, 22863), (1359, 15242), (2718, 7621)]