20993874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8597}}^1$

素因数の和:8650

約数の個数: 32

約数和(自身を含む): 47048256

約数和(自身を除く): 26054382

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8597, 17194, 25791, 51582, 94567, 189134, 283701, 318089, 567402, 636178, 954267, 1908534, 3498979, 6997958, 10496937, 20993874]

約数ペア:

[(1, 20993874), (2, 10496937), (3, 6997958), (6, 3498979), (11, 1908534), (22, 954267), (33, 636178), (37, 567402), (66, 318089), (74, 283701), (111, 189134), (222, 94567), (407, 51582), (814, 25791), (1221, 17194), (2442, 8597)]