20321000336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13956731}}^1$

素因数の和:13956759

約数の個数: 40

約数和(自身を含む): 48457773504

約数和(自身を除く): 28136773168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13956731, 27913462, 55826924, 97697117, 111653848, 181437503, 195394234, 223307696, 362875006, 390788468, 725750012, 781576936, 1270062521, 1451500024, 1563153872, 2540125042, 2903000048, 5080250084, 10160500168, 20321000336]

約数ペア:

[(1, 20321000336), (2, 10160500168), (4, 5080250084), (7, 2903000048), (8, 2540125042), (13, 1563153872), (14, 1451500024), (16, 1270062521), (26, 781576936), (28, 725750012), (52, 390788468), (56, 362875006), (91, 223307696), (104, 195394234), (112, 181437503), (182, 111653848), (208, 97697117), (364, 55826924), (728, 27913462), (1456, 13956731)]