20741857024

素因数分解:

$2^8\times 7^1\times {\mathrm{43}}^1\times {\mathrm{269179}}^1$

素因数の和:269245

約数の個数: 72

約数和(自身を含む): 48417944960

約数和(自身を除く): 27676087936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 256, 301, 344, 448, 602, 688, 896, 1204, 1376, 1792, 2408, 2752, 4816, 5504, 9632, 11008, 19264, 38528, 77056, 269179, 538358, 1076716, 1884253, 2153432, 3768506, 4306864, 7537012, 8613728, 11574697, 15074024, 17227456, 23149394, 30148048, 34454912, 46298788, 60296096, 68909824, 81022879, 92597576, 120592192, 162045758, 185195152, 241184384, 324091516, 370390304, 482368768, 648183032, 740780608, 1296366064, 1481561216, 2592732128, 2963122432, 5185464256, 10370928512, 20741857024]

約数ペア:

[(1, 20741857024), (2, 10370928512), (4, 5185464256), (7, 2963122432), (8, 2592732128), (14, 1481561216), (16, 1296366064), (28, 740780608), (32, 648183032), (43, 482368768), (56, 370390304), (64, 324091516), (86, 241184384), (112, 185195152), (128, 162045758), (172, 120592192), (224, 92597576), (256, 81022879), (301, 68909824), (344, 60296096), (448, 46298788), (602, 34454912), (688, 30148048), (896, 23149394), (1204, 17227456), (1376, 15074024), (1792, 11574697), (2408, 8613728), (2752, 7537012), (4816, 4306864), (5504, 3768506), (9632, 2153432), (11008, 1884253), (19264, 1076716), (38528, 538358), (77056, 269179)]