20290060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3970

約数の個数: 48

約数和(自身を含む): 50025024

約数和(自身を除く): 29734964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3917, 5180, 7834, 15668, 19585, 27419, 39170, 54838, 78340, 109676, 137095, 144929, 274190, 289858, 548380, 579716, 724645, 1014503, 1449290, 2029006, 2898580, 4058012, 5072515, 10145030, 20290060]

約数ペア:

[(1, 20290060), (2, 10145030), (4, 5072515), (5, 4058012), (7, 2898580), (10, 2029006), (14, 1449290), (20, 1014503), (28, 724645), (35, 579716), (37, 548380), (70, 289858), (74, 274190), (140, 144929), (148, 137095), (185, 109676), (259, 78340), (370, 54838), (518, 39170), (740, 27419), (1036, 19585), (1295, 15668), (2590, 7834), (3917, 5180)]