20737663072

素因数分解:

$2^5\times 7^1\times {\mathrm{257}}^1\times {\mathrm{360229}}^1$

素因数の和:360503

約数の個数: 48

約数和(自身を含む): 46841427360

約数和(自身を除く): 26103764288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 257, 514, 1028, 1799, 2056, 3598, 4112, 7196, 8224, 14392, 28784, 57568, 360229, 720458, 1440916, 2521603, 2881832, 5043206, 5763664, 10086412, 11527328, 20172824, 40345648, 80691296, 92578853, 185157706, 370315412, 648051971, 740630824, 1296103942, 1481261648, 2592207884, 2962523296, 5184415768, 10368831536, 20737663072]

約数ペア:

[(1, 20737663072), (2, 10368831536), (4, 5184415768), (7, 2962523296), (8, 2592207884), (14, 1481261648), (16, 1296103942), (28, 740630824), (32, 648051971), (56, 370315412), (112, 185157706), (224, 92578853), (257, 80691296), (514, 40345648), (1028, 20172824), (1799, 11527328), (2056, 10086412), (3598, 5763664), (4112, 5043206), (7196, 2881832), (8224, 2521603), (14392, 1440916), (28784, 720458), (57568, 360229)]