20955570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1277}}^1$

素因数の和:1834

約数の個数: 32

約数和(自身を含む): 50424768

約数和(自身を除く): 29469198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 547, 1094, 1277, 1641, 2554, 2735, 3282, 3831, 5470, 6385, 7662, 8205, 12770, 16410, 19155, 38310, 698519, 1397038, 2095557, 3492595, 4191114, 6985190, 10477785, 20955570]

約数ペア:

[(1, 20955570), (2, 10477785), (3, 6985190), (5, 4191114), (6, 3492595), (10, 2095557), (15, 1397038), (30, 698519), (547, 38310), (1094, 19155), (1277, 16410), (1641, 12770), (2554, 8205), (2735, 7662), (3282, 6385), (3831, 5470)]