20434512

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1076

約数の個数: 80

約数和(自身を含む): 61380992

約数和(自身を除く): 40946480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 997, 1281, 1464, 1708, 1994, 2562, 2928, 2991, 3416, 3988, 5124, 5982, 6832, 6979, 7976, 10248, 11964, 13958, 15952, 20496, 20937, 23928, 27916, 41874, 47856, 55832, 60817, 83748, 111664, 121634, 167496, 182451, 243268, 334992, 364902, 425719, 486536, 729804, 851438, 973072, 1277157, 1459608, 1702876, 2554314, 2919216, 3405752, 5108628, 6811504, 10217256, 20434512]

約数ペア:

[(1, 20434512), (2, 10217256), (3, 6811504), (4, 5108628), (6, 3405752), (7, 2919216), (8, 2554314), (12, 1702876), (14, 1459608), (16, 1277157), (21, 973072), (24, 851438), (28, 729804), (42, 486536), (48, 425719), (56, 364902), (61, 334992), (84, 243268), (112, 182451), (122, 167496), (168, 121634), (183, 111664), (244, 83748), (336, 60817), (366, 55832), (427, 47856), (488, 41874), (732, 27916), (854, 23928), (976, 20937), (997, 20496), (1281, 15952), (1464, 13958), (1708, 11964), (1994, 10248), (2562, 7976), (2928, 6979), (2991, 6832), (3416, 5982), (3988, 5124)]