20145694772

素因数分解:

$2^2\times 7^3\times {\mathrm{2791}}^1\times {\mathrm{5261}}^1$

素因数の和:8077

約数の個数: 48

約数和(自身を含む): 41136211200

約数和(自身を除く): 20990516428

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2791, 5261, 5582, 10522, 11164, 19537, 21044, 36827, 39074, 73654, 78148, 136759, 147308, 257789, 273518, 515578, 547036, 957313, 1031156, 1804523, 1914626, 3609046, 3829252, 7218092, 14683451, 29366902, 58733804, 102784157, 205568314, 411136628, 719489099, 1438978198, 2877956396, 5036423693, 10072847386, 20145694772]

約数ペア:

[(1, 20145694772), (2, 10072847386), (4, 5036423693), (7, 2877956396), (14, 1438978198), (28, 719489099), (49, 411136628), (98, 205568314), (196, 102784157), (343, 58733804), (686, 29366902), (1372, 14683451), (2791, 7218092), (5261, 3829252), (5582, 3609046), (10522, 1914626), (11164, 1804523), (19537, 1031156), (21044, 957313), (36827, 547036), (39074, 515578), (73654, 273518), (78148, 257789), (136759, 147308)]