20020980265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3739}}^1\times {\mathrm{7489}}^1$

素因数の和:11257

約数の個数: 32

約数和(自身を含む): 28236700800

約数和(自身を除く): 8215720535

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 3739, 7489, 18695, 37445, 41129, 48607, 82379, 97357, 205645, 243035, 411895, 486785, 534677, 1070927, 2673385, 5354635, 28001371, 140006855, 308015081, 364017823, 1540075405, 1820089115, 4004196053, 20020980265]

約数ペア:

[(1, 20020980265), (5, 4004196053), (11, 1820089115), (13, 1540075405), (55, 364017823), (65, 308015081), (143, 140006855), (715, 28001371), (3739, 5354635), (7489, 2673385), (18695, 1070927), (37445, 534677), (41129, 486785), (48607, 411895), (82379, 243035), (97357, 205645)]