20856854768

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{821}}^1\times {\mathrm{14051}}^1$

素因数の和:14993

約数の個数: 40

約数和(自身を含む): 40820329296

約数和(自身を除く): 19963474528

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 821, 904, 1642, 1808, 3284, 6568, 13136, 14051, 28102, 56204, 92773, 112408, 185546, 224816, 371092, 742184, 1484368, 1587763, 3175526, 6351052, 11535871, 12702104, 23071742, 25404208, 46143484, 92286968, 184573936, 1303553423, 2607106846, 5214213692, 10428427384, 20856854768]

約数ペア:

[(1, 20856854768), (2, 10428427384), (4, 5214213692), (8, 2607106846), (16, 1303553423), (113, 184573936), (226, 92286968), (452, 46143484), (821, 25404208), (904, 23071742), (1642, 12702104), (1808, 11535871), (3284, 6351052), (6568, 3175526), (13136, 1587763), (14051, 1484368), (28102, 742184), (56204, 371092), (92773, 224816), (112408, 185546)]