20289804

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{12907}}^1$

素因数の和:13045

約数の個数: 24

約数和(自身を含む): 47707968

約数和(自身を除く): 27418164

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 12907, 25814, 38721, 51628, 77442, 154884, 1690817, 3381634, 5072451, 6763268, 10144902, 20289804]

約数ペア:

[(1, 20289804), (2, 10144902), (3, 6763268), (4, 5072451), (6, 3381634), (12, 1690817), (131, 154884), (262, 77442), (393, 51628), (524, 38721), (786, 25814), (1572, 12907)]