20347788769

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{375899}}^1$

素因数の和:375973

約数の個数: 32

約数和(自身を含む): 27425664000

約数和(自身を除く): 7077875231

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 407, 703, 1463, 2849, 4921, 7733, 54131, 375899, 2631293, 4134889, 7142081, 13908263, 28944223, 49994567, 78562891, 97357841, 152990893, 264256997, 549940237, 1070936251, 1849798979, 2906826967, 20347788769]

約数ペア:

[(1, 20347788769), (7, 2906826967), (11, 1849798979), (19, 1070936251), (37, 549940237), (77, 264256997), (133, 152990893), (209, 97357841), (259, 78562891), (407, 49994567), (703, 28944223), (1463, 13908263), (2849, 7142081), (4921, 4134889), (7733, 2631293), (54131, 375899)]