20771059120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{769}}^1$

素因数の和:1275

約数の個数: 160

約数和(自身を含む): 55821427200

約数和(自身を除く): 35050368080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 347, 556, 560, 694, 695, 769, 973, 1112, 1388, 1390, 1538, 1735, 1946, 2224, 2429, 2776, 2780, 3076, 3470, 3845, 3892, 4858, 4865, 5383, 5552, 5560, 6152, 6940, 7690, 7784, 9716, 9730, 10766, 11120, 12145, 12304, 13880, 15380, 15568, 19432, 19460, 21532, 24290, 26915, 27760, 30760, 38864, 38920, 43064, 48233, 48580, 53830, 61520, 77840, 86128, 96466, 97160, 106891, 107660, 192932, 194320, 213782, 215320, 241165, 266843, 337631, 385864, 427564, 430640, 482330, 533686, 534455, 675262, 748237, 771728, 855128, 964660, 1067372, 1068910, 1334215, 1350524, 1496474, 1688155, 1710256, 1867901, 1929320, 2134744, 2137820, 2668430, 2701048, 2992948, 3376310, 3735802, 3741185, 3858640, 4269488, 4275640, 5336860, 5402096, 5985896, 6752620, 7471604, 7482370, 8551280, 9339505, 10673720, 11971792, 13505240, 14943208, 14964740, 18679010, 21347440, 27010480, 29886416, 29929480, 37091177, 37358020, 59858960, 74182354, 74716040, 148364708, 149432080, 185455885, 259638239, 296729416, 370911770, 519276478, 593458832, 741823540, 1038552956, 1298191195, 1483647080, 2077105912, 2596382390, 2967294160, 4154211824, 5192764780, 10385529560, 20771059120]

約数ペア:

[(1, 20771059120), (2, 10385529560), (4, 5192764780), (5, 4154211824), (7, 2967294160), (8, 2596382390), (10, 2077105912), (14, 1483647080), (16, 1298191195), (20, 1038552956), (28, 741823540), (35, 593458832), (40, 519276478), (56, 370911770), (70, 296729416), (80, 259638239), (112, 185455885), (139, 149432080), (140, 148364708), (278, 74716040), (280, 74182354), (347, 59858960), (556, 37358020), (560, 37091177), (694, 29929480), (695, 29886416), (769, 27010480), (973, 21347440), (1112, 18679010), (1388, 14964740), (1390, 14943208), (1538, 13505240), (1735, 11971792), (1946, 10673720), (2224, 9339505), (2429, 8551280), (2776, 7482370), (2780, 7471604), (3076, 6752620), (3470, 5985896), (3845, 5402096), (3892, 5336860), (4858, 4275640), (4865, 4269488), (5383, 3858640), (5552, 3741185), (5560, 3735802), (6152, 3376310), (6940, 2992948), (7690, 2701048), (7784, 2668430), (9716, 2137820), (9730, 2134744), (10766, 1929320), (11120, 1867901), (12145, 1710256), (12304, 1688155), (13880, 1496474), (15380, 1350524), (15568, 1334215), (19432, 1068910), (19460, 1067372), (21532, 964660), (24290, 855128), (26915, 771728), (27760, 748237), (30760, 675262), (38864, 534455), (38920, 533686), (43064, 482330), (48233, 430640), (48580, 427564), (53830, 385864), (61520, 337631), (77840, 266843), (86128, 241165), (96466, 215320), (97160, 213782), (106891, 194320), (107660, 192932)]