20758443

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 30468096

約数和(自身を除く): 9709653

約数列:

[1, 3, 23, 37, 47, 69, 111, 141, 173, 519, 851, 1081, 1739, 2553, 3243, 3979, 5217, 6401, 8131, 11937, 19203, 24393, 39997, 119991, 147223, 187013, 300847, 441669, 561039, 902541, 6919481, 20758443]

約数ペア:

[(1, 20758443), (3, 6919481), (23, 902541), (37, 561039), (47, 441669), (69, 300847), (111, 187013), (141, 147223), (173, 119991), (519, 39997), (851, 24393), (1081, 19203), (1739, 11937), (2553, 8131), (3243, 6401), (3979, 5217)]