20078577

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 30831360

約数和(自身を除く): 10752783

約数列:

[1, 3, 9, 27, 61, 73, 167, 183, 219, 501, 549, 657, 1503, 1647, 1971, 4453, 4509, 10187, 12191, 13359, 30561, 36573, 40077, 91683, 109719, 120231, 275049, 329157, 743651, 2230953, 6692859, 20078577]

約数ペア:

[(1, 20078577), (3, 6692859), (9, 2230953), (27, 743651), (61, 329157), (73, 275049), (167, 120231), (183, 109719), (219, 91683), (501, 40077), (549, 36573), (657, 30561), (1503, 13359), (1647, 12191), (1971, 10187), (4453, 4509)]