20912976

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20747}}^1$

素因数の和:20768

約数の個数: 60

約数和(自身を含む): 66891552

約数和(自身を除く): 45978576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20747, 41494, 62241, 82988, 124482, 145229, 165976, 186723, 248964, 290458, 331952, 373446, 435687, 497928, 580916, 746892, 871374, 995856, 1161832, 1307061, 1493784, 1742748, 2323664, 2614122, 2987568, 3485496, 5228244, 6970992, 10456488, 20912976]

約数ペア:

[(1, 20912976), (2, 10456488), (3, 6970992), (4, 5228244), (6, 3485496), (7, 2987568), (8, 2614122), (9, 2323664), (12, 1742748), (14, 1493784), (16, 1307061), (18, 1161832), (21, 995856), (24, 871374), (28, 746892), (36, 580916), (42, 497928), (48, 435687), (56, 373446), (63, 331952), (72, 290458), (84, 248964), (112, 186723), (126, 165976), (144, 145229), (168, 124482), (252, 82988), (336, 62241), (504, 41494), (1008, 20747)]