20944

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:43

約数の個数: 40

約数和(自身を含む): 53568

約数和(自身を除く): 32624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 1232, 1309, 1496, 1904, 2618, 2992, 5236, 10472, 20944]

約数ペア:

[(1, 20944), (2, 10472), (4, 5236), (7, 2992), (8, 2618), (11, 1904), (14, 1496), (16, 1309), (17, 1232), (22, 952), (28, 748), (34, 616), (44, 476), (56, 374), (68, 308), (77, 272), (88, 238), (112, 187), (119, 176), (136, 154)]