20391335355

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{7901}}^1$

素因数の和:8304

約数の個数: 64

約数和(自身を含む): 35843472000

約数和(自身を除く): 15452136645

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 349, 435, 493, 1047, 1479, 1745, 2465, 5235, 5933, 7395, 7901, 10121, 17799, 23703, 29665, 30363, 39505, 50605, 88995, 118515, 134317, 151815, 172057, 229129, 402951, 516171, 671585, 687387, 860285, 1145645, 2014755, 2580855, 2757449, 3436935, 3895193, 8272347, 11685579, 13787245, 19475965, 41361735, 46876633, 58427895, 79966021, 140629899, 234383165, 239898063, 399830105, 703149495, 1199490315, 1359422357, 4078267071, 6797111785, 20391335355]

約数ペア:

[(1, 20391335355), (3, 6797111785), (5, 4078267071), (15, 1359422357), (17, 1199490315), (29, 703149495), (51, 399830105), (85, 239898063), (87, 234383165), (145, 140629899), (255, 79966021), (349, 58427895), (435, 46876633), (493, 41361735), (1047, 19475965), (1479, 13787245), (1745, 11685579), (2465, 8272347), (5235, 3895193), (5933, 3436935), (7395, 2757449), (7901, 2580855), (10121, 2014755), (17799, 1145645), (23703, 860285), (29665, 687387), (30363, 671585), (39505, 516171), (50605, 402951), (88995, 229129), (118515, 172057), (134317, 151815)]