20165660870

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3739}}^1\times {\mathrm{6827}}^1$

素因数の和:10652

約数の個数: 32

約数和(自身を含む): 36772876800

約数和(自身を除く): 16607215930

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 3739, 6827, 7478, 13654, 18695, 34135, 37390, 68270, 295381, 539333, 590762, 1078666, 1476905, 2696665, 2953810, 5393330, 25526153, 51052306, 127630765, 255261530, 2016566087, 4033132174, 10082830435, 20165660870]

約数ペア:

[(1, 20165660870), (2, 10082830435), (5, 4033132174), (10, 2016566087), (79, 255261530), (158, 127630765), (395, 51052306), (790, 25526153), (3739, 5393330), (6827, 2953810), (7478, 2696665), (13654, 1476905), (18695, 1078666), (34135, 590762), (37390, 539333), (68270, 295381)]