20646657720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4411679}}^1$

素因数の和:4411709

約数の個数: 96

約数和(自身を含む): 72263318400

約数和(自身を除く): 51616660680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4411679, 8823358, 13235037, 17646716, 22058395, 26470074, 35293432, 39705111, 44116790, 52940148, 57351827, 66175185, 79410222, 88233580, 105880296, 114703654, 132350370, 158820444, 172055481, 176467160, 198525555, 229407308, 264700740, 286759135, 317640888, 344110962, 397051110, 458814616, 516166443, 529401480, 573518270, 688221924, 794102220, 860277405, 1032332886, 1147036540, 1376443848, 1588204440, 1720554810, 2064665772, 2294073080, 2580832215, 3441109620, 4129331544, 5161664430, 6882219240, 10323328860, 20646657720]

約数ペア:

[(1, 20646657720), (2, 10323328860), (3, 6882219240), (4, 5161664430), (5, 4129331544), (6, 3441109620), (8, 2580832215), (9, 2294073080), (10, 2064665772), (12, 1720554810), (13, 1588204440), (15, 1376443848), (18, 1147036540), (20, 1032332886), (24, 860277405), (26, 794102220), (30, 688221924), (36, 573518270), (39, 529401480), (40, 516166443), (45, 458814616), (52, 397051110), (60, 344110962), (65, 317640888), (72, 286759135), (78, 264700740), (90, 229407308), (104, 198525555), (117, 176467160), (120, 172055481), (130, 158820444), (156, 132350370), (180, 114703654), (195, 105880296), (234, 88233580), (260, 79410222), (312, 66175185), (360, 57351827), (390, 52940148), (468, 44116790), (520, 39705111), (585, 35293432), (780, 26470074), (936, 22058395), (1170, 17646716), (1560, 13235037), (2340, 8823358), (4680, 4411679)]