20271636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 65415168

約数和(自身を除く): 45143532

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 71, 77, 84, 99, 103, 126, 132, 142, 154, 198, 206, 213, 231, 252, 284, 308, 309, 396, 412, 426, 462, 497, 618, 639, 693, 721, 781, 852, 924, 927, 994, 1133, 1236, 1278, 1386, 1442, 1491, 1562, 1854, 1988, 2163, 2266, 2343, 2556, 2772, 2884, 2982, 3124, 3399, 3708, 4326, 4473, 4532, 4686, 5467, 5964, 6489, 6798, 7029, 7313, 7931, 8652, 8946, 9372, 10197, 10934, 12978, 13596, 14058, 14626, 15862, 16401, 17892, 20394, 21868, 21939, 23793, 25956, 28116, 29252, 31724, 32802, 40788, 43878, 47586, 49203, 51191, 65604, 65817, 71379, 80443, 87756, 95172, 98406, 102382, 131634, 142758, 153573, 160886, 196812, 204764, 241329, 263268, 285516, 307146, 321772, 460719, 482658, 563101, 614292, 723987, 921438, 965316, 1126202, 1447974, 1689303, 1842876, 2252404, 2895948, 3378606, 5067909, 6757212, 10135818, 20271636]

約数ペア:

[(1, 20271636), (2, 10135818), (3, 6757212), (4, 5067909), (6, 3378606), (7, 2895948), (9, 2252404), (11, 1842876), (12, 1689303), (14, 1447974), (18, 1126202), (21, 965316), (22, 921438), (28, 723987), (33, 614292), (36, 563101), (42, 482658), (44, 460719), (63, 321772), (66, 307146), (71, 285516), (77, 263268), (84, 241329), (99, 204764), (103, 196812), (126, 160886), (132, 153573), (142, 142758), (154, 131634), (198, 102382), (206, 98406), (213, 95172), (231, 87756), (252, 80443), (284, 71379), (308, 65817), (309, 65604), (396, 51191), (412, 49203), (426, 47586), (462, 43878), (497, 40788), (618, 32802), (639, 31724), (693, 29252), (721, 28116), (781, 25956), (852, 23793), (924, 21939), (927, 21868), (994, 20394), (1133, 17892), (1236, 16401), (1278, 15862), (1386, 14626), (1442, 14058), (1491, 13596), (1562, 12978), (1854, 10934), (1988, 10197), (2163, 9372), (2266, 8946), (2343, 8652), (2556, 7931), (2772, 7313), (2884, 7029), (2982, 6798), (3124, 6489), (3399, 5964), (3708, 5467), (4326, 4686), (4473, 4532)]