20119290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 31858950

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 47, 57, 94, 95, 114, 141, 190, 235, 282, 285, 470, 570, 705, 751, 893, 1410, 1502, 1786, 2253, 2679, 3755, 4465, 4506, 5358, 7510, 8930, 11265, 13395, 14269, 22530, 26790, 28538, 35297, 42807, 70594, 71345, 85614, 105891, 142690, 176485, 211782, 214035, 352970, 428070, 529455, 670643, 1058910, 1341286, 2011929, 3353215, 4023858, 6706430, 10059645, 20119290]

約数ペア:

[(1, 20119290), (2, 10059645), (3, 6706430), (5, 4023858), (6, 3353215), (10, 2011929), (15, 1341286), (19, 1058910), (30, 670643), (38, 529455), (47, 428070), (57, 352970), (94, 214035), (95, 211782), (114, 176485), (141, 142690), (190, 105891), (235, 85614), (282, 71345), (285, 70594), (470, 42807), (570, 35297), (705, 28538), (751, 26790), (893, 22530), (1410, 14269), (1502, 13395), (1786, 11265), (2253, 8930), (2679, 7510), (3755, 5358), (4465, 4506)]