20126054529

素因数分解:

$3^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{155003}}^1$

素因数の和:155251

約数の個数: 40

約数和(自身を含む): 34510090560

約数和(自身を除く): 14384036031

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 229, 567, 687, 1603, 2061, 4809, 6183, 14427, 18549, 43281, 129843, 155003, 465009, 1085021, 1395027, 3255063, 4185081, 9765189, 12555243, 29295567, 35495687, 87886701, 106487061, 248469809, 319461183, 745409427, 958383549, 2236228281, 2875150647, 6708684843, 20126054529]

約数ペア:

[(1, 20126054529), (3, 6708684843), (7, 2875150647), (9, 2236228281), (21, 958383549), (27, 745409427), (63, 319461183), (81, 248469809), (189, 106487061), (229, 87886701), (567, 35495687), (687, 29295567), (1603, 12555243), (2061, 9765189), (4809, 4185081), (6183, 3255063), (14427, 1395027), (18549, 1085021), (43281, 465009), (129843, 155003)]