20792745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 17733015

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 83, 95, 171, 249, 285, 293, 415, 747, 855, 879, 1245, 1465, 1577, 2637, 3735, 4395, 4731, 5567, 7885, 13185, 14193, 16701, 23655, 24319, 27835, 50103, 70965, 72957, 83505, 121595, 218871, 250515, 364785, 462061, 1094355, 1386183, 2310305, 4158549, 6930915, 20792745]

約数ペア:

[(1, 20792745), (3, 6930915), (5, 4158549), (9, 2310305), (15, 1386183), (19, 1094355), (45, 462061), (57, 364785), (83, 250515), (95, 218871), (171, 121595), (249, 83505), (285, 72957), (293, 70965), (415, 50103), (747, 27835), (855, 24319), (879, 23655), (1245, 16701), (1465, 14193), (1577, 13185), (2637, 7885), (3735, 5567), (4395, 4731)]