20387916

素因数分解:

$2^2\times 3^3\times {\mathrm{311}}^1\times {\mathrm{607}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 32726964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 311, 607, 622, 933, 1214, 1244, 1821, 1866, 2428, 2799, 3642, 3732, 5463, 5598, 7284, 8397, 10926, 11196, 16389, 16794, 21852, 32778, 33588, 65556, 188777, 377554, 566331, 755108, 1132662, 1698993, 2265324, 3397986, 5096979, 6795972, 10193958, 20387916]

約数ペア:

[(1, 20387916), (2, 10193958), (3, 6795972), (4, 5096979), (6, 3397986), (9, 2265324), (12, 1698993), (18, 1132662), (27, 755108), (36, 566331), (54, 377554), (108, 188777), (311, 65556), (607, 33588), (622, 32778), (933, 21852), (1214, 16794), (1244, 16389), (1821, 11196), (1866, 10926), (2428, 8397), (2799, 7284), (3642, 5598), (3732, 5463)]