20157488065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2953}}^1\times {\mathrm{9547}}^1$

素因数の和:12529

約数の個数: 32

約数和(自身を含む): 28430430336

約数和(自身を除く): 8272942271

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 2953, 9547, 14765, 32483, 38389, 47735, 105017, 124111, 162415, 191945, 422279, 525085, 620555, 1365221, 2111395, 6826105, 28192291, 140961455, 310115201, 366499783, 1550576005, 1832498915, 4031497613, 20157488065]

約数ペア:

[(1, 20157488065), (5, 4031497613), (11, 1832498915), (13, 1550576005), (55, 366499783), (65, 310115201), (143, 140961455), (715, 28192291), (2953, 6826105), (9547, 2111395), (14765, 1365221), (32483, 620555), (38389, 525085), (47735, 422279), (105017, 191945), (124111, 162415)]