20072944620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{486971}}^1$

素因数の和:487215

約数の個数: 72

約数和(自身を含む): 61153943760

約数和(自身を除く): 41080999140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4580, 6870, 8244, 10305, 13740, 20610, 41220, 486971, 973942, 1460913, 1947884, 2434855, 2921826, 4382739, 4869710, 5843652, 7304565, 8765478, 9739420, 14609130, 17530956, 21913695, 29218260, 43827390, 87654780, 111516359, 223032718, 334549077, 446065436, 557581795, 669098154, 1003647231, 1115163590, 1338196308, 1672745385, 2007294462, 2230327180, 3345490770, 4014588924, 5018236155, 6690981540, 10036472310, 20072944620]

約数ペア:

[(1, 20072944620), (2, 10036472310), (3, 6690981540), (4, 5018236155), (5, 4014588924), (6, 3345490770), (9, 2230327180), (10, 2007294462), (12, 1672745385), (15, 1338196308), (18, 1115163590), (20, 1003647231), (30, 669098154), (36, 557581795), (45, 446065436), (60, 334549077), (90, 223032718), (180, 111516359), (229, 87654780), (458, 43827390), (687, 29218260), (916, 21913695), (1145, 17530956), (1374, 14609130), (2061, 9739420), (2290, 8765478), (2748, 7304565), (3435, 5843652), (4122, 4869710), (4580, 4382739), (6870, 2921826), (8244, 2434855), (10305, 1947884), (13740, 1460913), (20610, 973942), (41220, 486971)]