20512166521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{373621}}^1$

素因数の和:373693

約数の個数: 32

約数和(自身を含む): 27546402816

約数和(自身を除く): 7034236295

約数列:

[1, 7, 11, 23, 31, 77, 161, 217, 253, 341, 713, 1771, 2387, 4991, 7843, 54901, 373621, 2615347, 4109831, 8593283, 11582251, 28768817, 60152981, 81075757, 94526113, 127404761, 266391773, 661682791, 891833327, 1864742411, 2930309503, 20512166521]

約数ペア:

[(1, 20512166521), (7, 2930309503), (11, 1864742411), (23, 891833327), (31, 661682791), (77, 266391773), (161, 127404761), (217, 94526113), (253, 81075757), (341, 60152981), (713, 28768817), (1771, 11582251), (2387, 8593283), (4991, 4109831), (7843, 2615347), (54901, 373621)]