20512373739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1\times {\mathrm{761}}^1$

素因数の和:1628

約数の個数: 64

約数和(自身を含む): 32604139008

約数和(自身を除く): 12091765269

約数列:

[1, 3, 11, 13, 33, 39, 83, 143, 249, 429, 757, 761, 913, 1079, 2271, 2283, 2739, 3237, 8327, 8371, 9841, 9893, 11869, 24981, 25113, 29523, 29679, 35607, 62831, 63163, 108251, 108823, 188493, 189489, 324753, 326469, 576077, 691141, 694793, 816803, 821119, 1728231, 2073423, 2084379, 2450409, 2463357, 6336847, 7489001, 8984833, 9032309, 19010541, 22467003, 26954499, 27096927, 47814391, 82379011, 143443173, 247137033, 525958301, 621587083, 1577874903, 1864761249, 6837457913, 20512373739]

約数ペア:

[(1, 20512373739), (3, 6837457913), (11, 1864761249), (13, 1577874903), (33, 621587083), (39, 525958301), (83, 247137033), (143, 143443173), (249, 82379011), (429, 47814391), (757, 27096927), (761, 26954499), (913, 22467003), (1079, 19010541), (2271, 9032309), (2283, 8984833), (2739, 7489001), (3237, 6336847), (8327, 2463357), (8371, 2450409), (9841, 2084379), (9893, 2073423), (11869, 1728231), (24981, 821119), (25113, 816803), (29523, 694793), (29679, 691141), (35607, 576077), (62831, 326469), (63163, 324753), (108251, 189489), (108823, 188493)]