20148180620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1433}}^1\times {\mathrm{16349}}^1$

素因数の和:17834

約数の個数: 48

約数和(自身を含む): 43328023200

約数和(自身を除く): 23179842580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1433, 2866, 5732, 7165, 14330, 16349, 28660, 32698, 61619, 65396, 81745, 123238, 163490, 246476, 308095, 326980, 616190, 703007, 1232380, 1406014, 2812028, 3515035, 7030070, 14060140, 23428117, 46856234, 93712468, 117140585, 234281170, 468562340, 1007409031, 2014818062, 4029636124, 5037045155, 10074090310, 20148180620]

約数ペア:

[(1, 20148180620), (2, 10074090310), (4, 5037045155), (5, 4029636124), (10, 2014818062), (20, 1007409031), (43, 468562340), (86, 234281170), (172, 117140585), (215, 93712468), (430, 46856234), (860, 23428117), (1433, 14060140), (2866, 7030070), (5732, 3515035), (7165, 2812028), (14330, 1406014), (16349, 1232380), (28660, 703007), (32698, 616190), (61619, 326980), (65396, 308095), (81745, 246476), (123238, 163490)]