20262788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55667}}^1$

素因数の和:55691

約数の個数: 24

約数和(自身を含む): 43643712

約数和(自身を除く): 23380924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55667, 111334, 222668, 389669, 723671, 779338, 1447342, 1558676, 2894684, 5065697, 10131394, 20262788]

約数ペア:

[(1, 20262788), (2, 10131394), (4, 5065697), (7, 2894684), (13, 1558676), (14, 1447342), (26, 779338), (28, 723671), (52, 389669), (91, 222668), (182, 111334), (364, 55667)]