20408027470

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1282717}}^1$

素因数の和:1282804

約数の個数: 32

約数和(自身を含む): 38604680928

約数和(自身を除く): 18196653458

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1591, 3182, 7955, 15910, 1282717, 2565434, 6413585, 12827170, 47460529, 55156831, 94921058, 110313662, 237302645, 275784155, 474605290, 551568310, 2040802747, 4081605494, 10204013735, 20408027470]

約数ペア:

[(1, 20408027470), (2, 10204013735), (5, 4081605494), (10, 2040802747), (37, 551568310), (43, 474605290), (74, 275784155), (86, 237302645), (185, 110313662), (215, 94921058), (370, 55156831), (430, 47460529), (1591, 12827170), (3182, 6413585), (7955, 2565434), (15910, 1282717)]