20218659065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{91151}}^1$

素因数の和:91313

約数の個数: 32

約数和(自身を含む): 27433105920

約数和(自身を除く): 7214446855

約数列:

[1, 5, 11, 37, 55, 109, 185, 407, 545, 1199, 2035, 4033, 5995, 20165, 44363, 91151, 221815, 455755, 1002661, 3372587, 5013305, 9935459, 16862935, 37098457, 49677295, 109290049, 185492285, 367611983, 546450245, 1838059915, 4043731813, 20218659065]

約数ペア:

[(1, 20218659065), (5, 4043731813), (11, 1838059915), (37, 546450245), (55, 367611983), (109, 185492285), (185, 109290049), (407, 49677295), (545, 37098457), (1199, 16862935), (2035, 9935459), (4033, 5013305), (5995, 3372587), (20165, 1002661), (44363, 455755), (91151, 221815)]