20161299285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{36787}}^1$

素因数の和:37458

約数の個数: 48

約数和(自身を含む): 36843917760

約数和(自身を除く): 16682618475

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 641, 855, 1923, 3205, 5769, 9615, 12179, 28845, 36537, 36787, 60895, 109611, 110361, 182685, 183935, 331083, 548055, 551805, 698953, 1655415, 2096859, 3494765, 6290577, 10484295, 23580467, 31452885, 70741401, 117902335, 212224203, 353707005, 448028873, 1061121015, 1344086619, 2240144365, 4032259857, 6720433095, 20161299285]

約数ペア:

[(1, 20161299285), (3, 6720433095), (5, 4032259857), (9, 2240144365), (15, 1344086619), (19, 1061121015), (45, 448028873), (57, 353707005), (95, 212224203), (171, 117902335), (285, 70741401), (641, 31452885), (855, 23580467), (1923, 10484295), (3205, 6290577), (5769, 3494765), (9615, 2096859), (12179, 1655415), (28845, 698953), (36537, 551805), (36787, 548055), (60895, 331083), (109611, 183935), (110361, 182685)]