20161626220

素因数分解:

$2^2\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{636817}}^1$

素因数の和:638409

約数の個数: 24

約数和(自身を含む): 42366227904

約数和(自身を除く): 22204601684

約数列:

[1, 2, 4, 5, 10, 20, 1583, 3166, 6332, 7915, 15830, 31660, 636817, 1273634, 2547268, 3184085, 6368170, 12736340, 1008081311, 2016162622, 4032325244, 5040406555, 10080813110, 20161626220]

約数ペア:

[(1, 20161626220), (2, 10080813110), (4, 5040406555), (5, 4032325244), (10, 2016162622), (20, 1008081311), (1583, 12736340), (3166, 6368170), (6332, 3184085), (7915, 2547268), (15830, 1273634), (31660, 636817)]