20794995004

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{542497}}^1$

素因数の和:542582

約数の個数: 36

約数和(自身を含む): 42744502416

約数和(自身を除く): 21949507412

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1369, 2738, 5476, 9583, 19166, 38332, 542497, 1084994, 2169988, 3797479, 7594958, 15189916, 20072389, 40144778, 80289556, 140506723, 281013446, 562026892, 742678393, 1485356786, 2970713572, 5198748751, 10397497502, 20794995004]

約数ペア:

[(1, 20794995004), (2, 10397497502), (4, 5198748751), (7, 2970713572), (14, 1485356786), (28, 742678393), (37, 562026892), (74, 281013446), (148, 140506723), (259, 80289556), (518, 40144778), (1036, 20072389), (1369, 15189916), (2738, 7594958), (5476, 3797479), (9583, 2169988), (19166, 1084994), (38332, 542497)]