20741448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9497}}^1$

素因数の和:9526

約数の個数: 64

約数和(自身を含む): 63826560

約数和(自身を除く): 43085112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9497, 18994, 28491, 37988, 56982, 66479, 75976, 113964, 123461, 132958, 199437, 227928, 246922, 265916, 370383, 398874, 493844, 531832, 740766, 797748, 864227, 987688, 1481532, 1595496, 1728454, 2592681, 2963064, 3456908, 5185362, 6913816, 10370724, 20741448]

約数ペア:

[(1, 20741448), (2, 10370724), (3, 6913816), (4, 5185362), (6, 3456908), (7, 2963064), (8, 2592681), (12, 1728454), (13, 1595496), (14, 1481532), (21, 987688), (24, 864227), (26, 797748), (28, 740766), (39, 531832), (42, 493844), (52, 398874), (56, 370383), (78, 265916), (84, 246922), (91, 227928), (104, 199437), (156, 132958), (168, 123461), (182, 113964), (273, 75976), (312, 66479), (364, 56982), (546, 37988), (728, 28491), (1092, 18994), (2184, 9497)]