20119099791

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 34186199040

約数和(自身を除く): 14067099249

約数列:

[1, 3, 7, 19, 21, 41, 47, 57, 123, 133, 137, 141, 191, 287, 329, 399, 411, 573, 779, 861, 893, 959, 987, 1337, 1927, 2337, 2603, 2679, 2877, 3629, 4011, 5453, 5617, 5781, 6251, 6439, 7809, 7831, 8977, 10887, 13489, 16359, 16851, 18221, 18753, 19317, 23493, 25403, 26167, 26931, 36613, 39319, 40467, 45073, 54663, 54817, 62839, 76209, 78501, 106723, 109839, 117957, 122341, 135219, 148789, 164451, 170563, 183169, 188517, 256291, 263999, 320169, 367023, 368057, 446367, 497173, 511689, 549507, 747061, 768873, 791997, 856387, 1041523, 1072847, 1104171, 1193941, 1229849, 1491519, 1847993, 2241183, 2569161, 2576399, 3124569, 3218541, 3480211, 3581823, 3689547, 5015981, 5543979, 6993083, 7509929, 7729197, 8608943, 10440633, 15047943, 20384093, 20979249, 22529787, 23367131, 25826829, 35111867, 48951581, 50423809, 61152279, 70101393, 105335601, 142688651, 146854743, 151271427, 163569917, 352966663, 428065953, 490709751, 958052371, 1058899989, 2874157113, 6706366597, 20119099791]

約数ペア:

[(1, 20119099791), (3, 6706366597), (7, 2874157113), (19, 1058899989), (21, 958052371), (41, 490709751), (47, 428065953), (57, 352966663), (123, 163569917), (133, 151271427), (137, 146854743), (141, 142688651), (191, 105335601), (287, 70101393), (329, 61152279), (399, 50423809), (411, 48951581), (573, 35111867), (779, 25826829), (861, 23367131), (893, 22529787), (959, 20979249), (987, 20384093), (1337, 15047943), (1927, 10440633), (2337, 8608943), (2603, 7729197), (2679, 7509929), (2877, 6993083), (3629, 5543979), (4011, 5015981), (5453, 3689547), (5617, 3581823), (5781, 3480211), (6251, 3218541), (6439, 3124569), (7809, 2576399), (7831, 2569161), (8977, 2241183), (10887, 1847993), (13489, 1491519), (16359, 1229849), (16851, 1193941), (18221, 1104171), (18753, 1072847), (19317, 1041523), (23493, 856387), (25403, 791997), (26167, 768873), (26931, 747061), (36613, 549507), (39319, 511689), (40467, 497173), (45073, 446367), (54663, 368057), (54817, 367023), (62839, 320169), (76209, 263999), (78501, 256291), (106723, 188517), (109839, 183169), (117957, 170563), (122341, 164451), (135219, 148789)]