20746404

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:662

約数の個数: 108

約数和(自身を含む): 64318800

約数和(自身を除く): 43572396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 399, 441, 532, 588, 619, 684, 798, 882, 931, 1197, 1238, 1596, 1764, 1857, 1862, 2394, 2476, 2793, 3714, 3724, 4333, 4788, 5571, 5586, 7428, 8379, 8666, 11142, 11172, 11761, 12999, 16758, 17332, 22284, 23522, 25998, 30331, 33516, 35283, 38997, 47044, 51996, 60662, 70566, 77994, 82327, 90993, 105849, 121324, 141132, 155988, 164654, 181986, 211698, 246981, 272979, 329308, 363972, 423396, 493962, 545958, 576289, 740943, 987924, 1091916, 1152578, 1481886, 1728867, 2305156, 2963772, 3457734, 5186601, 6915468, 10373202, 20746404]

約数ペア:

[(1, 20746404), (2, 10373202), (3, 6915468), (4, 5186601), (6, 3457734), (7, 2963772), (9, 2305156), (12, 1728867), (14, 1481886), (18, 1152578), (19, 1091916), (21, 987924), (28, 740943), (36, 576289), (38, 545958), (42, 493962), (49, 423396), (57, 363972), (63, 329308), (76, 272979), (84, 246981), (98, 211698), (114, 181986), (126, 164654), (133, 155988), (147, 141132), (171, 121324), (196, 105849), (228, 90993), (252, 82327), (266, 77994), (294, 70566), (342, 60662), (399, 51996), (441, 47044), (532, 38997), (588, 35283), (619, 33516), (684, 30331), (798, 25998), (882, 23522), (931, 22284), (1197, 17332), (1238, 16758), (1596, 12999), (1764, 11761), (1857, 11172), (1862, 11142), (2394, 8666), (2476, 8379), (2793, 7428), (3714, 5586), (3724, 5571), (4333, 4788)]