20280708

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11497}}^1$

素因数の和:11521

約数の個数: 54

約数和(自身を含む): 59640126

約数和(自身を除く): 39359418

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11497, 22994, 34491, 45988, 68982, 80479, 103473, 137964, 160958, 206946, 241437, 321916, 413892, 482874, 563353, 724311, 965748, 1126706, 1448622, 1690059, 2253412, 2897244, 3380118, 5070177, 6760236, 10140354, 20280708]

約数ペア:

[(1, 20280708), (2, 10140354), (3, 6760236), (4, 5070177), (6, 3380118), (7, 2897244), (9, 2253412), (12, 1690059), (14, 1448622), (18, 1126706), (21, 965748), (28, 724311), (36, 563353), (42, 482874), (49, 413892), (63, 321916), (84, 241437), (98, 206946), (126, 160958), (147, 137964), (196, 103473), (252, 80479), (294, 68982), (441, 45988), (588, 34491), (882, 22994), (1764, 11497)]