20419452

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 58544640

約数和(自身を除く): 38125188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 81, 93, 107, 108, 114, 124, 162, 171, 186, 214, 228, 279, 321, 324, 342, 372, 428, 513, 558, 589, 642, 684, 837, 963, 1026, 1116, 1178, 1284, 1539, 1674, 1767, 1926, 2033, 2052, 2356, 2511, 2889, 3078, 3317, 3348, 3534, 3852, 4066, 5022, 5301, 5778, 6099, 6156, 6634, 7068, 8132, 8667, 9951, 10044, 10602, 11556, 12198, 13268, 15903, 17334, 18297, 19902, 21204, 24396, 29853, 31806, 34668, 36594, 39804, 47709, 54891, 59706, 63023, 63612, 73188, 89559, 95418, 109782, 119412, 126046, 164673, 179118, 189069, 190836, 219564, 252092, 268677, 329346, 358236, 378138, 537354, 567207, 658692, 756276, 1074708, 1134414, 1701621, 2268828, 3403242, 5104863, 6806484, 10209726, 20419452]

約数ペア:

[(1, 20419452), (2, 10209726), (3, 6806484), (4, 5104863), (6, 3403242), (9, 2268828), (12, 1701621), (18, 1134414), (19, 1074708), (27, 756276), (31, 658692), (36, 567207), (38, 537354), (54, 378138), (57, 358236), (62, 329346), (76, 268677), (81, 252092), (93, 219564), (107, 190836), (108, 189069), (114, 179118), (124, 164673), (162, 126046), (171, 119412), (186, 109782), (214, 95418), (228, 89559), (279, 73188), (321, 63612), (324, 63023), (342, 59706), (372, 54891), (428, 47709), (513, 39804), (558, 36594), (589, 34668), (642, 31806), (684, 29853), (837, 24396), (963, 21204), (1026, 19902), (1116, 18297), (1178, 17334), (1284, 15903), (1539, 13268), (1674, 12198), (1767, 11556), (1926, 10602), (2033, 10044), (2052, 9951), (2356, 8667), (2511, 8132), (2889, 7068), (3078, 6634), (3317, 6156), (3348, 6099), (3534, 5778), (3852, 5301), (4066, 5022)]