20587878

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2339}}^1$

素因数の和:2513

約数の個数: 32

約数和(自身を含む): 46051200

約数和(自身を除く): 25463322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2339, 2934, 4401, 4678, 7017, 8802, 14034, 21051, 42102, 63153, 126306, 381257, 762514, 1143771, 2287542, 3431313, 6862626, 10293939, 20587878]

約数ペア:

[(1, 20587878), (2, 10293939), (3, 6862626), (6, 3431313), (9, 2287542), (18, 1143771), (27, 762514), (54, 381257), (163, 126306), (326, 63153), (489, 42102), (978, 21051), (1467, 14034), (2339, 8802), (2934, 7017), (4401, 4678)]