20217921472

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{10273}}^1$

素因数の和:10506

約数の個数: 112

約数和(自身を含む): 48100073472

約数和(自身を除く): 27882152000

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 191, 224, 322, 368, 382, 448, 644, 736, 764, 1288, 1337, 1472, 1528, 2576, 2674, 3056, 4393, 5152, 5348, 6112, 8786, 10273, 10304, 10696, 12224, 17572, 20546, 21392, 30751, 35144, 41092, 42784, 61502, 70288, 71911, 82184, 85568, 123004, 140576, 143822, 164368, 236279, 246008, 281152, 287644, 328736, 472558, 492016, 575288, 657472, 945116, 984032, 1150576, 1653953, 1890232, 1962143, 1968064, 2301152, 3307906, 3780464, 3924286, 4602304, 6615812, 7560928, 7848572, 13231624, 13735001, 15121856, 15697144, 26463248, 27470002, 31394288, 45129289, 52926496, 54940004, 62788576, 90258578, 105852992, 109880008, 125577152, 180517156, 219760016, 315905023, 361034312, 439520032, 631810046, 722068624, 879040064, 1263620092, 1444137248, 2527240184, 2888274496, 5054480368, 10108960736, 20217921472]

約数ペア:

[(1, 20217921472), (2, 10108960736), (4, 5054480368), (7, 2888274496), (8, 2527240184), (14, 1444137248), (16, 1263620092), (23, 879040064), (28, 722068624), (32, 631810046), (46, 439520032), (56, 361034312), (64, 315905023), (92, 219760016), (112, 180517156), (161, 125577152), (184, 109880008), (191, 105852992), (224, 90258578), (322, 62788576), (368, 54940004), (382, 52926496), (448, 45129289), (644, 31394288), (736, 27470002), (764, 26463248), (1288, 15697144), (1337, 15121856), (1472, 13735001), (1528, 13231624), (2576, 7848572), (2674, 7560928), (3056, 6615812), (4393, 4602304), (5152, 3924286), (5348, 3780464), (6112, 3307906), (8786, 2301152), (10273, 1968064), (10304, 1962143), (10696, 1890232), (12224, 1653953), (17572, 1150576), (20546, 984032), (21392, 945116), (30751, 657472), (35144, 575288), (41092, 492016), (42784, 472558), (61502, 328736), (70288, 287644), (71911, 281152), (82184, 246008), (85568, 236279), (123004, 164368), (140576, 143822)]