20636992

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2678

約数の個数: 28

約数和(自身を含む): 41290240

約数和(自身を除く): 20653248

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2539, 4064, 5078, 8128, 10156, 20312, 40624, 81248, 162496, 322453, 644906, 1289812, 2579624, 5159248, 10318496, 20636992]

約数ペア:

[(1, 20636992), (2, 10318496), (4, 5159248), (8, 2579624), (16, 1289812), (32, 644906), (64, 322453), (127, 162496), (254, 81248), (508, 40624), (1016, 20312), (2032, 10156), (2539, 8128), (4064, 5078)]