20559280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36713}}^1$

素因数の和:36733

約数の個数: 40

約数和(自身を含む): 54630432

約数和(自身を除く): 34071152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36713, 73426, 146852, 183565, 256991, 293704, 367130, 513982, 587408, 734260, 1027964, 1284955, 1468520, 2055928, 2569910, 2937040, 4111856, 5139820, 10279640, 20559280]

約数ペア:

[(1, 20559280), (2, 10279640), (4, 5139820), (5, 4111856), (7, 2937040), (8, 2569910), (10, 2055928), (14, 1468520), (16, 1284955), (20, 1027964), (28, 734260), (35, 587408), (40, 513982), (56, 367130), (70, 293704), (80, 256991), (112, 183565), (140, 146852), (280, 73426), (560, 36713)]