20364568

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 46287360

約数和(自身を除く): 25922792

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 97, 161, 163, 184, 194, 322, 326, 388, 644, 652, 679, 776, 1141, 1288, 1304, 1358, 2231, 2282, 2716, 3749, 4462, 4564, 5432, 7498, 8924, 9128, 14996, 15617, 15811, 17848, 26243, 29992, 31234, 31622, 52486, 62468, 63244, 104972, 110677, 124936, 126488, 209944, 221354, 363653, 442708, 727306, 885416, 1454612, 2545571, 2909224, 5091142, 10182284, 20364568]

約数ペア:

[(1, 20364568), (2, 10182284), (4, 5091142), (7, 2909224), (8, 2545571), (14, 1454612), (23, 885416), (28, 727306), (46, 442708), (56, 363653), (92, 221354), (97, 209944), (161, 126488), (163, 124936), (184, 110677), (194, 104972), (322, 63244), (326, 62468), (388, 52486), (644, 31622), (652, 31234), (679, 29992), (776, 26243), (1141, 17848), (1288, 15811), (1304, 15617), (1358, 14996), (2231, 9128), (2282, 8924), (2716, 7498), (3749, 5432), (4462, 4564)]