20839984165

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4163833}}^1$

素因数の和:4163869

約数の個数: 32

約数和(自身を含む): 33577157376

約数和(自身を除く): 12737173211

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 4163833, 20819165, 29146831, 45802163, 54129829, 145734155, 229010815, 270649145, 320615141, 378908803, 595428119, 1603075705, 1894544015, 2977140595, 4167996833, 20839984165]

約数ペア:

[(1, 20839984165), (5, 4167996833), (7, 2977140595), (11, 1894544015), (13, 1603075705), (35, 595428119), (55, 378908803), (65, 320615141), (77, 270649145), (91, 229010815), (143, 145734155), (385, 54129829), (455, 45802163), (715, 29146831), (1001, 20819165), (5005, 4163833)]