20806506765

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{282103}}^1$

素因数の和:282274

約数の個数: 48

約数和(自身を含む): 39607401600

約数和(自身を除く): 18800894835

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 149, 165, 447, 495, 745, 1341, 1639, 2235, 4917, 6705, 8195, 14751, 24585, 73755, 282103, 846309, 1410515, 2538927, 3103133, 4231545, 9309399, 12694635, 15515665, 27928197, 42033347, 46546995, 126100041, 139640985, 210166735, 378300123, 462366817, 630500205, 1387100451, 1891500615, 2311834085, 4161301353, 6935502255, 20806506765]

約数ペア:

[(1, 20806506765), (3, 6935502255), (5, 4161301353), (9, 2311834085), (11, 1891500615), (15, 1387100451), (33, 630500205), (45, 462366817), (55, 378300123), (99, 210166735), (149, 139640985), (165, 126100041), (447, 46546995), (495, 42033347), (745, 27928197), (1341, 15515665), (1639, 12694635), (2235, 9309399), (4917, 4231545), (6705, 3103133), (8195, 2538927), (14751, 1410515), (24585, 846309), (73755, 282103)]