20172052089

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{10169}}^1$

素因数の和:10279

約数の個数: 72

約数和(自身を含む): 35715738240

約数和(自身を除く): 15543686151

約数列:

[1, 3, 7, 9, 21, 23, 37, 63, 69, 111, 161, 207, 259, 333, 483, 777, 851, 1369, 1449, 2331, 2553, 4107, 5957, 7659, 9583, 10169, 12321, 17871, 28749, 30507, 31487, 53613, 71183, 86247, 91521, 94461, 213549, 220409, 233887, 283383, 376253, 640647, 661227, 701661, 1128759, 1637209, 1983681, 2104983, 2633771, 3386277, 4911627, 7901313, 8653819, 13921361, 14734881, 23703939, 25961457, 41764083, 60576733, 77884371, 97449527, 125292249, 181730199, 292348581, 320191303, 545190597, 877045743, 960573909, 2241339121, 2881721727, 6724017363, 20172052089]

約数ペア:

[(1, 20172052089), (3, 6724017363), (7, 2881721727), (9, 2241339121), (21, 960573909), (23, 877045743), (37, 545190597), (63, 320191303), (69, 292348581), (111, 181730199), (161, 125292249), (207, 97449527), (259, 77884371), (333, 60576733), (483, 41764083), (777, 25961457), (851, 23703939), (1369, 14734881), (1449, 13921361), (2331, 8653819), (2553, 7901313), (4107, 4911627), (5957, 3386277), (7659, 2633771), (9583, 2104983), (10169, 1983681), (12321, 1637209), (17871, 1128759), (28749, 701661), (30507, 661227), (31487, 640647), (53613, 376253), (71183, 283383), (86247, 233887), (91521, 220409), (94461, 213549)]