20147458215

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{57383}}^1$

素因数の和:57743

約数の個数: 32

約数和(自身を含む): 32722652160

約数和(自身を除く): 12575193945

約数列:

[1, 3, 5, 15, 89, 263, 267, 445, 789, 1315, 1335, 3945, 23407, 57383, 70221, 117035, 172149, 286915, 351105, 860745, 5107087, 15091729, 15321261, 25535435, 45275187, 75458645, 76606305, 226375935, 1343163881, 4029491643, 6715819405, 20147458215]

約数ペア:

[(1, 20147458215), (3, 6715819405), (5, 4029491643), (15, 1343163881), (89, 226375935), (263, 76606305), (267, 75458645), (445, 45275187), (789, 25535435), (1315, 15321261), (1335, 15091729), (3945, 5107087), (23407, 860745), (57383, 351105), (70221, 286915), (117035, 172149)]