20996766

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55547}}^1$

素因数の和:55565

約数の個数: 32

約数和(自身を含む): 53326080

約数和(自身を除く): 32329314

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55547, 111094, 166641, 333282, 388829, 499923, 777658, 999846, 1166487, 1499769, 2332974, 2999538, 3499461, 6998922, 10498383, 20996766]

約数ペア:

[(1, 20996766), (2, 10498383), (3, 6998922), (6, 3499461), (7, 2999538), (9, 2332974), (14, 1499769), (18, 1166487), (21, 999846), (27, 777658), (42, 499923), (54, 388829), (63, 333282), (126, 166641), (189, 111094), (378, 55547)]