20178144

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10009}}^1$

素因数の和:10032

約数の個数: 72

約数和(自身を含む): 65585520

約数和(自身を除く): 45407376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10009, 20018, 30027, 40036, 60054, 70063, 80072, 90081, 120108, 140126, 160144, 180162, 210189, 240216, 280252, 320288, 360324, 420378, 480432, 560504, 630567, 720648, 840756, 960864, 1121008, 1261134, 1441296, 1681512, 2242016, 2522268, 2882592, 3363024, 5044536, 6726048, 10089072, 20178144]

約数ペア:

[(1, 20178144), (2, 10089072), (3, 6726048), (4, 5044536), (6, 3363024), (7, 2882592), (8, 2522268), (9, 2242016), (12, 1681512), (14, 1441296), (16, 1261134), (18, 1121008), (21, 960864), (24, 840756), (28, 720648), (32, 630567), (36, 560504), (42, 480432), (48, 420378), (56, 360324), (63, 320288), (72, 280252), (84, 240216), (96, 210189), (112, 180162), (126, 160144), (144, 140126), (168, 120108), (224, 90081), (252, 80072), (288, 70063), (336, 60054), (504, 40036), (672, 30027), (1008, 20018), (2016, 10009)]