20156941585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{17783}}^1$

素因数の和:18393

約数の個数: 32

約数和(自身を含む): 27150619392

約数和(自身を除く): 6993677807

約数列:

[1, 5, 11, 37, 55, 185, 407, 557, 2035, 2785, 6127, 17783, 20609, 30635, 88915, 103045, 195613, 226699, 657971, 978065, 1133495, 3289855, 7237681, 9905131, 36188405, 49525655, 108956441, 366489847, 544782205, 1832449235, 4031388317, 20156941585]

約数ペア:

[(1, 20156941585), (5, 4031388317), (11, 1832449235), (37, 544782205), (55, 366489847), (185, 108956441), (407, 49525655), (557, 36188405), (2035, 9905131), (2785, 7237681), (6127, 3289855), (17783, 1133495), (20609, 978065), (30635, 657971), (88915, 226699), (103045, 195613)]