20136760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71917}}^1$

素因数の和:71935

約数の個数: 32

約数和(自身を含む): 51780960

約数和(自身を除く): 31644200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71917, 143834, 287668, 359585, 503419, 575336, 719170, 1006838, 1438340, 2013676, 2517095, 2876680, 4027352, 5034190, 10068380, 20136760]

約数ペア:

[(1, 20136760), (2, 10068380), (4, 5034190), (5, 4027352), (7, 2876680), (8, 2517095), (10, 2013676), (14, 1438340), (20, 1006838), (28, 719170), (35, 575336), (40, 503419), (56, 359585), (70, 287668), (140, 143834), (280, 71917)]