20123013568

素因数分解:

$2^6\times 7^1\times {\mathrm{389}}^1\times {\mathrm{115469}}^1$

素因数の和:115877

約数の個数: 56

約数和(自身を含む): 45753832800

約数和(自身を除く): 25630819232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 389, 448, 778, 1556, 2723, 3112, 5446, 6224, 10892, 12448, 21784, 24896, 43568, 87136, 115469, 174272, 230938, 461876, 808283, 923752, 1616566, 1847504, 3233132, 3695008, 6466264, 7390016, 12932528, 25865056, 44917441, 51730112, 89834882, 179669764, 314422087, 359339528, 628844174, 718679056, 1257688348, 1437358112, 2515376696, 2874716224, 5030753392, 10061506784, 20123013568]

約数ペア:

[(1, 20123013568), (2, 10061506784), (4, 5030753392), (7, 2874716224), (8, 2515376696), (14, 1437358112), (16, 1257688348), (28, 718679056), (32, 628844174), (56, 359339528), (64, 314422087), (112, 179669764), (224, 89834882), (389, 51730112), (448, 44917441), (778, 25865056), (1556, 12932528), (2723, 7390016), (3112, 6466264), (5446, 3695008), (6224, 3233132), (10892, 1847504), (12448, 1616566), (21784, 923752), (24896, 808283), (43568, 461876), (87136, 230938), (115469, 174272)]