20680312

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 20376968

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 568, 1583, 1633, 3166, 3266, 6332, 6532, 12664, 13064, 36409, 72818, 112393, 145636, 224786, 291272, 449572, 899144, 2585039, 5170078, 10340156, 20680312]

約数ペア:

[(1, 20680312), (2, 10340156), (4, 5170078), (8, 2585039), (23, 899144), (46, 449572), (71, 291272), (92, 224786), (142, 145636), (184, 112393), (284, 72818), (568, 36409), (1583, 13064), (1633, 12664), (3166, 6532), (3266, 6332)]