20892201

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 11621847

約数列:

[1, 3, 11, 17, 33, 51, 167, 187, 223, 501, 561, 669, 1837, 2453, 2839, 3791, 5511, 7359, 8517, 11373, 31229, 37241, 41701, 93687, 111723, 125103, 409651, 633097, 1228953, 1899291, 6964067, 20892201]

約数ペア:

[(1, 20892201), (3, 6964067), (11, 1899291), (17, 1228953), (33, 633097), (51, 409651), (167, 125103), (187, 111723), (223, 93687), (501, 41701), (561, 37241), (669, 31229), (1837, 11373), (2453, 8517), (2839, 7359), (3791, 5511)]