20019312

素因数分解:

$2^4\times 3^5\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 61384960

約数和(自身を除く): 41365648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 271, 304, 324, 342, 432, 456, 486, 513, 542, 648, 684, 813, 912, 972, 1026, 1084, 1296, 1368, 1539, 1626, 1944, 2052, 2168, 2439, 2736, 3078, 3252, 3888, 4104, 4336, 4617, 4878, 5149, 6156, 6504, 7317, 8208, 9234, 9756, 10298, 12312, 13008, 14634, 15447, 18468, 19512, 20596, 21951, 24624, 29268, 30894, 36936, 39024, 41192, 43902, 46341, 58536, 61788, 65853, 73872, 82384, 87804, 92682, 117072, 123576, 131706, 139023, 175608, 185364, 247152, 263412, 278046, 351216, 370728, 417069, 526824, 556092, 741456, 834138, 1053648, 1112184, 1251207, 1668276, 2224368, 2502414, 3336552, 5004828, 6673104, 10009656, 20019312]

約数ペア:

[(1, 20019312), (2, 10009656), (3, 6673104), (4, 5004828), (6, 3336552), (8, 2502414), (9, 2224368), (12, 1668276), (16, 1251207), (18, 1112184), (19, 1053648), (24, 834138), (27, 741456), (36, 556092), (38, 526824), (48, 417069), (54, 370728), (57, 351216), (72, 278046), (76, 263412), (81, 247152), (108, 185364), (114, 175608), (144, 139023), (152, 131706), (162, 123576), (171, 117072), (216, 92682), (228, 87804), (243, 82384), (271, 73872), (304, 65853), (324, 61788), (342, 58536), (432, 46341), (456, 43902), (486, 41192), (513, 39024), (542, 36936), (648, 30894), (684, 29268), (813, 24624), (912, 21951), (972, 20596), (1026, 19512), (1084, 18468), (1296, 15447), (1368, 14634), (1539, 13008), (1626, 12312), (1944, 10298), (2052, 9756), (2168, 9234), (2439, 8208), (2736, 7317), (3078, 6504), (3252, 6156), (3888, 5149), (4104, 4878), (4336, 4617)]