20604360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1331

約数の個数: 128

約数和(自身を含む): 74419200

約数和(自身を除く): 53814840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1291, 1330, 1596, 1995, 2280, 2582, 2660, 3192, 3873, 3990, 5164, 5320, 6455, 7746, 7980, 9037, 10328, 12910, 15492, 15960, 18074, 19365, 24529, 25820, 27111, 30984, 36148, 38730, 45185, 49058, 51640, 54222, 72296, 73587, 77460, 90370, 98116, 108444, 122645, 135555, 147174, 154920, 171703, 180740, 196232, 216888, 245290, 271110, 294348, 343406, 361480, 367935, 490580, 515109, 542220, 588696, 686812, 735870, 858515, 981160, 1030218, 1084440, 1373624, 1471740, 1717030, 2060436, 2575545, 2943480, 3434060, 4120872, 5151090, 6868120, 10302180, 20604360]

約数ペア:

[(1, 20604360), (2, 10302180), (3, 6868120), (4, 5151090), (5, 4120872), (6, 3434060), (7, 2943480), (8, 2575545), (10, 2060436), (12, 1717030), (14, 1471740), (15, 1373624), (19, 1084440), (20, 1030218), (21, 981160), (24, 858515), (28, 735870), (30, 686812), (35, 588696), (38, 542220), (40, 515109), (42, 490580), (56, 367935), (57, 361480), (60, 343406), (70, 294348), (76, 271110), (84, 245290), (95, 216888), (105, 196232), (114, 180740), (120, 171703), (133, 154920), (140, 147174), (152, 135555), (168, 122645), (190, 108444), (210, 98116), (228, 90370), (266, 77460), (280, 73587), (285, 72296), (380, 54222), (399, 51640), (420, 49058), (456, 45185), (532, 38730), (570, 36148), (665, 30984), (760, 27111), (798, 25820), (840, 24529), (1064, 19365), (1140, 18074), (1291, 15960), (1330, 15492), (1596, 12910), (1995, 10328), (2280, 9037), (2582, 7980), (2660, 7746), (3192, 6455), (3873, 5320), (3990, 5164)]