20328

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^2$

素因数の和:38

約数の個数: 48

約数和(自身を含む): 63840

約数和(自身を除く): 43512

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 121, 132, 154, 168, 231, 242, 264, 308, 363, 462, 484, 616, 726, 847, 924, 968, 1452, 1694, 1848, 2541, 2904, 3388, 5082, 6776, 10164, 20328]

約数ペア:

[(1, 20328), (2, 10164), (3, 6776), (4, 5082), (6, 3388), (7, 2904), (8, 2541), (11, 1848), (12, 1694), (14, 1452), (21, 968), (22, 924), (24, 847), (28, 726), (33, 616), (42, 484), (44, 462), (56, 363), (66, 308), (77, 264), (84, 242), (88, 231), (121, 168), (132, 154)]