20851902184

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2657}}^1\times {\mathrm{51631}}^1$

素因数の和:54313

約数の個数: 32

約数和(自身を含む): 41171356800

約数和(自身を除く): 20319454616

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2657, 5314, 10628, 21256, 50483, 51631, 100966, 103262, 201932, 206524, 403864, 413048, 980989, 1961978, 3923956, 7847912, 137183567, 274367134, 548734268, 1097468536, 2606487773, 5212975546, 10425951092, 20851902184]

約数ペア:

[(1, 20851902184), (2, 10425951092), (4, 5212975546), (8, 2606487773), (19, 1097468536), (38, 548734268), (76, 274367134), (152, 137183567), (2657, 7847912), (5314, 3923956), (10628, 1961978), (21256, 980989), (50483, 413048), (51631, 403864), (100966, 206524), (103262, 201932)]