20156906106

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{1277}}^1$

素因数の和:1561

約数の個数: 128

約数和(自身を含む): 47701094400

約数和(自身を除く): 27544188294

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 71, 138, 142, 179, 207, 213, 358, 414, 426, 537, 621, 639, 1074, 1242, 1277, 1278, 1611, 1633, 1917, 2554, 3222, 3266, 3831, 3834, 4117, 4833, 4899, 7662, 8234, 9666, 9798, 11493, 12351, 12709, 14697, 22986, 24702, 25418, 29371, 29394, 34479, 37053, 38127, 44091, 58742, 68958, 74106, 76254, 88113, 88182, 90667, 111159, 114381, 176226, 181334, 222318, 228583, 228762, 264339, 272001, 292307, 343143, 457166, 528678, 544002, 584614, 685749, 686286, 793017, 816003, 876921, 1371498, 1586034, 1632006, 1753842, 2057247, 2085341, 2448009, 2630763, 4114494, 4170682, 4896018, 5257409, 5261526, 6171741, 6256023, 7892289, 10514818, 12343482, 12512046, 15772227, 15784578, 16229393, 18768069, 31544454, 32458786, 37536138, 47316681, 48688179, 56304207, 94633362, 97376358, 112608414, 141950043, 146064537, 283900086, 292129074, 373276039, 438193611, 746552078, 876387222, 1119828117, 2239656234, 3359484351, 6718968702, 10078453053, 20156906106]

約数ペア:

[(1, 20156906106), (2, 10078453053), (3, 6718968702), (6, 3359484351), (9, 2239656234), (18, 1119828117), (23, 876387222), (27, 746552078), (46, 438193611), (54, 373276039), (69, 292129074), (71, 283900086), (138, 146064537), (142, 141950043), (179, 112608414), (207, 97376358), (213, 94633362), (358, 56304207), (414, 48688179), (426, 47316681), (537, 37536138), (621, 32458786), (639, 31544454), (1074, 18768069), (1242, 16229393), (1277, 15784578), (1278, 15772227), (1611, 12512046), (1633, 12343482), (1917, 10514818), (2554, 7892289), (3222, 6256023), (3266, 6171741), (3831, 5261526), (3834, 5257409), (4117, 4896018), (4833, 4170682), (4899, 4114494), (7662, 2630763), (8234, 2448009), (9666, 2085341), (9798, 2057247), (11493, 1753842), (12351, 1632006), (12709, 1586034), (14697, 1371498), (22986, 876921), (24702, 816003), (25418, 793017), (29371, 686286), (29394, 685749), (34479, 584614), (37053, 544002), (38127, 528678), (44091, 457166), (58742, 343143), (68958, 292307), (74106, 272001), (76254, 264339), (88113, 228762), (88182, 228583), (90667, 222318), (111159, 181334), (114381, 176226)]