20343904

素因数分解:

$2^5\times 7^1\times {\mathrm{90821}}^1$

素因数の和:90838

約数の個数: 24

約数和(自身を含む): 45774288

約数和(自身を除く): 25430384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90821, 181642, 363284, 635747, 726568, 1271494, 1453136, 2542988, 2906272, 5085976, 10171952, 20343904]

約数ペア:

[(1, 20343904), (2, 10171952), (4, 5085976), (7, 2906272), (8, 2542988), (14, 1453136), (16, 1271494), (28, 726568), (32, 635747), (56, 363284), (112, 181642), (224, 90821)]