20603916

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2771

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 33586164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 2687, 3834, 5374, 7668, 8061, 10748, 16122, 24183, 32244, 48366, 72549, 96732, 145098, 190777, 290196, 381554, 572331, 763108, 1144662, 1716993, 2289324, 3433986, 5150979, 6867972, 10301958, 20603916]

約数ペア:

[(1, 20603916), (2, 10301958), (3, 6867972), (4, 5150979), (6, 3433986), (9, 2289324), (12, 1716993), (18, 1144662), (27, 763108), (36, 572331), (54, 381554), (71, 290196), (108, 190777), (142, 145098), (213, 96732), (284, 72549), (426, 48366), (639, 32244), (852, 24183), (1278, 16122), (1917, 10748), (2556, 8061), (2687, 7668), (3834, 5374)]