20569003

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 26812800

約数和(自身を除く): 6243797

約数列:

[1, 7, 13, 37, 41, 91, 149, 259, 287, 481, 533, 1043, 1517, 1937, 3367, 3731, 5513, 6109, 10619, 13559, 19721, 38591, 42763, 71669, 79417, 138047, 226033, 501683, 555919, 1582231, 2938429, 20569003]

約数ペア:

[(1, 20569003), (7, 2938429), (13, 1582231), (37, 555919), (41, 501683), (91, 226033), (149, 138047), (259, 79417), (287, 71669), (481, 42763), (533, 38591), (1043, 19721), (1517, 13559), (1937, 10619), (3367, 6109), (3731, 5513)]