20121894515

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{6037}}^1$

素因数の和:6383

約数の個数: 32

約数和(自身を含む): 25197298560

約数和(自身を除く): 5075404045

約数列:

[1, 5, 41, 71, 205, 229, 355, 1145, 2911, 6037, 9389, 14555, 16259, 30185, 46945, 81295, 247517, 428627, 666619, 1237585, 1382473, 2143135, 3333095, 6912365, 17573707, 56681393, 87868535, 98155583, 283406965, 490777915, 4024378903, 20121894515]

約数ペア:

[(1, 20121894515), (5, 4024378903), (41, 490777915), (71, 283406965), (205, 98155583), (229, 87868535), (355, 56681393), (1145, 17573707), (2911, 6912365), (6037, 3333095), (9389, 2143135), (14555, 1382473), (16259, 1237585), (30185, 666619), (46945, 428627), (81295, 247517)]