20923956

素因数分解:

$2^2\times 3^2\times {\mathrm{359}}^1\times {\mathrm{1619}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 53071200

約数和(自身を除く): 32147244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 359, 718, 1077, 1436, 1619, 2154, 3231, 3238, 4308, 4857, 6462, 6476, 9714, 12924, 14571, 19428, 29142, 58284, 581221, 1162442, 1743663, 2324884, 3487326, 5230989, 6974652, 10461978, 20923956]

約数ペア:

[(1, 20923956), (2, 10461978), (3, 6974652), (4, 5230989), (6, 3487326), (9, 2324884), (12, 1743663), (18, 1162442), (36, 581221), (359, 58284), (718, 29142), (1077, 19428), (1436, 14571), (1619, 12924), (2154, 9714), (3231, 6476), (3238, 6462), (4308, 4857)]