20413476

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13187}}^1$

素因数の和:13240

約数の個数: 36

約数和(自身を含む): 52804752

約数和(自身を除く): 32391276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13187, 26374, 39561, 52748, 79122, 118683, 158244, 237366, 474732, 567041, 1134082, 1701123, 2268164, 3402246, 5103369, 6804492, 10206738, 20413476]

約数ペア:

[(1, 20413476), (2, 10206738), (3, 6804492), (4, 5103369), (6, 3402246), (9, 2268164), (12, 1701123), (18, 1134082), (36, 567041), (43, 474732), (86, 237366), (129, 158244), (172, 118683), (258, 79122), (387, 52748), (516, 39561), (774, 26374), (1548, 13187)]