20312037704

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{1129}}^1$

素因数の和:1655

約数の個数: 128

約数和(自身を含む): 47199648000

約数和(自身を除く): 26887610296

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 56, 74, 76, 133, 148, 152, 259, 266, 296, 457, 518, 532, 703, 914, 1036, 1064, 1129, 1406, 1828, 2072, 2258, 2812, 3199, 3656, 4516, 4921, 5624, 6398, 7903, 8683, 9032, 9842, 12796, 15806, 16909, 17366, 19684, 21451, 25592, 31612, 33818, 34732, 39368, 41773, 42902, 60781, 63224, 67636, 69464, 83546, 85804, 118363, 121562, 135272, 150157, 167092, 171608, 236726, 243124, 292411, 300314, 321271, 334184, 473452, 486248, 515953, 584822, 600628, 642542, 793687, 946904, 1031906, 1169644, 1201256, 1285084, 1587374, 2063812, 2248897, 2339288, 2570168, 3174748, 3611671, 4127624, 4497794, 5555809, 6349496, 7223342, 8995588, 9803107, 11111618, 14446684, 17991176, 19090261, 19606214, 22223236, 28893368, 38180522, 39212428, 44446472, 68621749, 76361044, 78424856, 133631827, 137243498, 152722088, 267263654, 274486996, 362714959, 534527308, 548973992, 725429918, 1069054616, 1450859836, 2539004713, 2901719672, 5078009426, 10156018852, 20312037704]

約数ペア:

[(1, 20312037704), (2, 10156018852), (4, 5078009426), (7, 2901719672), (8, 2539004713), (14, 1450859836), (19, 1069054616), (28, 725429918), (37, 548973992), (38, 534527308), (56, 362714959), (74, 274486996), (76, 267263654), (133, 152722088), (148, 137243498), (152, 133631827), (259, 78424856), (266, 76361044), (296, 68621749), (457, 44446472), (518, 39212428), (532, 38180522), (703, 28893368), (914, 22223236), (1036, 19606214), (1064, 19090261), (1129, 17991176), (1406, 14446684), (1828, 11111618), (2072, 9803107), (2258, 8995588), (2812, 7223342), (3199, 6349496), (3656, 5555809), (4516, 4497794), (4921, 4127624), (5624, 3611671), (6398, 3174748), (7903, 2570168), (8683, 2339288), (9032, 2248897), (9842, 2063812), (12796, 1587374), (15806, 1285084), (16909, 1201256), (17366, 1169644), (19684, 1031906), (21451, 946904), (25592, 793687), (31612, 642542), (33818, 600628), (34732, 584822), (39368, 515953), (41773, 486248), (42902, 473452), (60781, 334184), (63224, 321271), (67636, 300314), (69464, 292411), (83546, 243124), (85804, 236726), (118363, 171608), (121562, 167092), (135272, 150157)]