20566854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 39187386

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 57, 63, 66, 71, 77, 99, 114, 121, 126, 133, 142, 154, 171, 198, 209, 213, 231, 242, 266, 342, 363, 399, 418, 426, 462, 497, 627, 639, 693, 726, 781, 798, 847, 994, 1089, 1197, 1254, 1278, 1349, 1386, 1463, 1491, 1562, 1694, 1881, 2178, 2299, 2343, 2394, 2541, 2698, 2926, 2982, 3762, 4047, 4389, 4473, 4598, 4686, 5082, 5467, 6897, 7029, 7623, 8094, 8591, 8778, 8946, 9443, 10934, 12141, 13167, 13794, 14058, 14839, 15246, 16093, 16401, 17182, 18886, 20691, 24282, 25773, 26334, 28329, 29678, 32186, 32802, 41382, 44517, 48279, 49203, 51546, 56658, 60137, 77319, 84987, 89034, 96558, 98406, 103873, 120274, 133551, 144837, 154638, 163229, 169974, 180411, 207746, 267102, 289674, 311619, 326458, 360822, 489687, 541233, 623238, 934857, 979374, 1082466, 1142603, 1469061, 1869714, 2285206, 2938122, 3427809, 6855618, 10283427, 20566854]

約数ペア:

[(1, 20566854), (2, 10283427), (3, 6855618), (6, 3427809), (7, 2938122), (9, 2285206), (11, 1869714), (14, 1469061), (18, 1142603), (19, 1082466), (21, 979374), (22, 934857), (33, 623238), (38, 541233), (42, 489687), (57, 360822), (63, 326458), (66, 311619), (71, 289674), (77, 267102), (99, 207746), (114, 180411), (121, 169974), (126, 163229), (133, 154638), (142, 144837), (154, 133551), (171, 120274), (198, 103873), (209, 98406), (213, 96558), (231, 89034), (242, 84987), (266, 77319), (342, 60137), (363, 56658), (399, 51546), (418, 49203), (426, 48279), (462, 44517), (497, 41382), (627, 32802), (639, 32186), (693, 29678), (726, 28329), (781, 26334), (798, 25773), (847, 24282), (994, 20691), (1089, 18886), (1197, 17182), (1254, 16401), (1278, 16093), (1349, 15246), (1386, 14839), (1463, 14058), (1491, 13794), (1562, 13167), (1694, 12141), (1881, 10934), (2178, 9443), (2299, 8946), (2343, 8778), (2394, 8591), (2541, 8094), (2698, 7623), (2926, 7029), (2982, 6897), (3762, 5467), (4047, 5082), (4389, 4686), (4473, 4598)]