20172908931

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 36018892800

約数和(自身を除く): 15845983869

約数列:

[1, 3, 7, 19, 21, 23, 43, 49, 57, 67, 69, 109, 129, 133, 147, 161, 201, 301, 327, 399, 437, 469, 483, 763, 817, 903, 931, 989, 1127, 1273, 1311, 1407, 1541, 2071, 2107, 2289, 2451, 2507, 2793, 2881, 2967, 3059, 3283, 3381, 3819, 4623, 4687, 5341, 5719, 6213, 6321, 6923, 7303, 7521, 8643, 8911, 9177, 9849, 10787, 14061, 14497, 16023, 17157, 17549, 18791, 20167, 20769, 21413, 21909, 26733, 29279, 32361, 32809, 40033, 43491, 47633, 48461, 51121, 52647, 54739, 56373, 60501, 62377, 64239, 66263, 75509, 87837, 89053, 98427, 101479, 107801, 120099, 122843, 131537, 138757, 141169, 142899, 145383, 153363, 164217, 167969, 187131, 198789, 204953, 226527, 229663, 267159, 304437, 314029, 323403, 333431, 357847, 368529, 383173, 394611, 416271, 423507, 463841, 503907, 614859, 623371, 688989, 754607, 920759, 942087, 971299, 1000293, 1073541, 1149519, 1175783, 1258997, 1391523, 1434671, 1870113, 2048219, 2198203, 2263821, 2334017, 2682211, 2762277, 2913897, 3191411, 3246887, 3527349, 3776991, 4304013, 4363597, 5282249, 5966551, 6144657, 6594609, 6799093, 7002051, 7222667, 8046633, 8230481, 8812979, 9574233, 9740661, 13090791, 14337533, 15387421, 15846747, 17899653, 20397279, 21668001, 22339877, 24691443, 26438937, 41765857, 43012599, 46162263, 50558669, 61690853, 67019631, 100362731, 125297571, 137230673, 151676007, 156379139, 185072559, 292360999, 301088193, 353910683, 411692019, 469137417, 877082997, 960614711, 1061732049, 2881844133, 6724302977, 20172908931]

約数ペア:

[(1, 20172908931), (3, 6724302977), (7, 2881844133), (19, 1061732049), (21, 960614711), (23, 877082997), (43, 469137417), (49, 411692019), (57, 353910683), (67, 301088193), (69, 292360999), (109, 185072559), (129, 156379139), (133, 151676007), (147, 137230673), (161, 125297571), (201, 100362731), (301, 67019631), (327, 61690853), (399, 50558669), (437, 46162263), (469, 43012599), (483, 41765857), (763, 26438937), (817, 24691443), (903, 22339877), (931, 21668001), (989, 20397279), (1127, 17899653), (1273, 15846747), (1311, 15387421), (1407, 14337533), (1541, 13090791), (2071, 9740661), (2107, 9574233), (2289, 8812979), (2451, 8230481), (2507, 8046633), (2793, 7222667), (2881, 7002051), (2967, 6799093), (3059, 6594609), (3283, 6144657), (3381, 5966551), (3819, 5282249), (4623, 4363597), (4687, 4304013), (5341, 3776991), (5719, 3527349), (6213, 3246887), (6321, 3191411), (6923, 2913897), (7303, 2762277), (7521, 2682211), (8643, 2334017), (8911, 2263821), (9177, 2198203), (9849, 2048219), (10787, 1870113), (14061, 1434671), (14497, 1391523), (16023, 1258997), (17157, 1175783), (17549, 1149519), (18791, 1073541), (20167, 1000293), (20769, 971299), (21413, 942087), (21909, 920759), (26733, 754607), (29279, 688989), (32361, 623371), (32809, 614859), (40033, 503907), (43491, 463841), (47633, 423507), (48461, 416271), (51121, 394611), (52647, 383173), (54739, 368529), (56373, 357847), (60501, 333431), (62377, 323403), (64239, 314029), (66263, 304437), (75509, 267159), (87837, 229663), (89053, 226527), (98427, 204953), (101479, 198789), (107801, 187131), (120099, 167969), (122843, 164217), (131537, 153363), (138757, 145383), (141169, 142899)]