20387844

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{24623}}^1$

素因数の和:24656

約数の個数: 36

約数和(自身を含む): 53778816

約数和(自身を除く): 33390972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 24623, 49246, 73869, 98492, 147738, 221607, 295476, 443214, 566329, 886428, 1132658, 1698987, 2265316, 3397974, 5096961, 6795948, 10193922, 20387844]

約数ペア:

[(1, 20387844), (2, 10193922), (3, 6795948), (4, 5096961), (6, 3397974), (9, 2265316), (12, 1698987), (18, 1132658), (23, 886428), (36, 566329), (46, 443214), (69, 295476), (92, 221607), (138, 147738), (207, 98492), (276, 73869), (414, 49246), (828, 24623)]