20807614744

素因数分解:

$2^3\times 7^1\times {\mathrm{991}}^1\times {\mathrm{374939}}^1$

素因数の和:375943

約数の個数: 32

約数和(自身を含む): 44632857600

約数和(自身を除く): 23825242856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 991, 1982, 3964, 6937, 7928, 13874, 27748, 55496, 374939, 749878, 1499756, 2624573, 2999512, 5249146, 10498292, 20996584, 371564549, 743129098, 1486258196, 2600951843, 2972516392, 5201903686, 10403807372, 20807614744]

約数ペア:

[(1, 20807614744), (2, 10403807372), (4, 5201903686), (7, 2972516392), (8, 2600951843), (14, 1486258196), (28, 743129098), (56, 371564549), (991, 20996584), (1982, 10498292), (3964, 5249146), (6937, 2999512), (7928, 2624573), (13874, 1499756), (27748, 749878), (55496, 374939)]