20296845

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 39110400

約数和(自身を除く): 18813555

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 95, 123, 135, 171, 193, 205, 285, 369, 513, 579, 615, 779, 855, 965, 1107, 1737, 1845, 2337, 2565, 2895, 3667, 3895, 5211, 5535, 7011, 7913, 8685, 11001, 11685, 18335, 21033, 23739, 26055, 33003, 35055, 39565, 55005, 71217, 99009, 105165, 118695, 150347, 165015, 213651, 356085, 451041, 495045, 751735, 1068255, 1353123, 2255205, 4059369, 6765615, 20296845]

約数ペア:

[(1, 20296845), (3, 6765615), (5, 4059369), (9, 2255205), (15, 1353123), (19, 1068255), (27, 751735), (41, 495045), (45, 451041), (57, 356085), (95, 213651), (123, 165015), (135, 150347), (171, 118695), (193, 105165), (205, 99009), (285, 71217), (369, 55005), (513, 39565), (579, 35055), (615, 33003), (779, 26055), (855, 23739), (965, 21033), (1107, 18335), (1737, 11685), (1845, 11001), (2337, 8685), (2565, 7913), (2895, 7011), (3667, 5535), (3895, 5211)]