20363560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72727}}^1$

素因数の和:72745

約数の個数: 32

約数和(自身を含む): 52364160

約数和(自身を除く): 32000600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72727, 145454, 290908, 363635, 509089, 581816, 727270, 1018178, 1454540, 2036356, 2545445, 2909080, 4072712, 5090890, 10181780, 20363560]

約数ペア:

[(1, 20363560), (2, 10181780), (4, 5090890), (5, 4072712), (7, 2909080), (8, 2545445), (10, 2036356), (14, 1454540), (20, 1018178), (28, 727270), (35, 581816), (40, 509089), (56, 363635), (70, 290908), (140, 145454), (280, 72727)]