20421744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{60779}}^1$

素因数の和:60797

約数の個数: 40

約数和(自身を含む): 60293760

約数和(自身を除く): 39872016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 60779, 121558, 182337, 243116, 364674, 425453, 486232, 729348, 850906, 972464, 1276359, 1458696, 1701812, 2552718, 2917392, 3403624, 5105436, 6807248, 10210872, 20421744]

約数ペア:

[(1, 20421744), (2, 10210872), (3, 6807248), (4, 5105436), (6, 3403624), (7, 2917392), (8, 2552718), (12, 1701812), (14, 1458696), (16, 1276359), (21, 972464), (24, 850906), (28, 729348), (42, 486232), (48, 425453), (56, 364674), (84, 243116), (112, 182337), (168, 121558), (336, 60779)]