20210770953

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:727

約数の個数: 96

約数和(自身を含む): 32432400000

約数和(自身を除く): 12221629047

約数列:

[1, 3, 9, 19, 41, 53, 57, 109, 123, 159, 171, 327, 369, 477, 499, 779, 981, 1007, 1497, 2071, 2173, 2337, 3021, 4469, 4491, 5777, 6213, 6519, 7011, 9063, 9481, 13407, 17331, 18639, 19557, 20459, 26447, 28443, 40221, 41287, 51993, 54391, 61377, 79341, 84911, 85329, 109763, 123861, 163173, 184131, 236857, 238023, 254733, 329289, 371583, 388721, 489519, 502493, 710571, 764199, 987867, 1033429, 1084327, 1166163, 1507479, 2131713, 2230031, 2882723, 3100287, 3252981, 3498489, 4500283, 4522437, 6690093, 8648169, 9300861, 9758943, 13500849, 20070279, 20602213, 25944507, 40502547, 42370589, 54771737, 61806639, 118191643, 127111767, 164315211, 185419917, 354574929, 381335301, 492945633, 1063724787, 2245641217, 6736923651, 20210770953]

約数ペア:

[(1, 20210770953), (3, 6736923651), (9, 2245641217), (19, 1063724787), (41, 492945633), (53, 381335301), (57, 354574929), (109, 185419917), (123, 164315211), (159, 127111767), (171, 118191643), (327, 61806639), (369, 54771737), (477, 42370589), (499, 40502547), (779, 25944507), (981, 20602213), (1007, 20070279), (1497, 13500849), (2071, 9758943), (2173, 9300861), (2337, 8648169), (3021, 6690093), (4469, 4522437), (4491, 4500283), (5777, 3498489), (6213, 3252981), (6519, 3100287), (7011, 2882723), (9063, 2230031), (9481, 2131713), (13407, 1507479), (17331, 1166163), (18639, 1084327), (19557, 1033429), (20459, 987867), (26447, 764199), (28443, 710571), (40221, 502493), (41287, 489519), (51993, 388721), (54391, 371583), (61377, 329289), (79341, 254733), (84911, 238023), (85329, 236857), (109763, 184131), (123861, 163173)]