20543298768

素因数分解:

$2^4\times 3^2\times {\mathrm{223}}^1\times {\mathrm{639739}}^1$

素因数の和:639976

約数の個数: 60

約数和(自身を含む): 57750609280

約数和(自身を除く): 37207310512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 223, 446, 669, 892, 1338, 1784, 2007, 2676, 3568, 4014, 5352, 8028, 10704, 16056, 32112, 639739, 1279478, 1919217, 2558956, 3838434, 5117912, 5757651, 7676868, 10235824, 11515302, 15353736, 23030604, 30707472, 46061208, 92122416, 142661797, 285323594, 427985391, 570647188, 855970782, 1141294376, 1283956173, 1711941564, 2282588752, 2567912346, 3423883128, 5135824692, 6847766256, 10271649384, 20543298768]

約数ペア:

[(1, 20543298768), (2, 10271649384), (3, 6847766256), (4, 5135824692), (6, 3423883128), (8, 2567912346), (9, 2282588752), (12, 1711941564), (16, 1283956173), (18, 1141294376), (24, 855970782), (36, 570647188), (48, 427985391), (72, 285323594), (144, 142661797), (223, 92122416), (446, 46061208), (669, 30707472), (892, 23030604), (1338, 15353736), (1784, 11515302), (2007, 10235824), (2676, 7676868), (3568, 5757651), (4014, 5117912), (5352, 3838434), (8028, 2558956), (10704, 1919217), (16056, 1279478), (32112, 639739)]