20804688

素因数分解:

$2^4\times 3^5\times {\mathrm{5351}}^1$

素因数の和:5374

約数の個数: 60

約数和(自身を含む): 60391968

約数和(自身を除く): 39587280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5351, 10702, 16053, 21404, 32106, 42808, 48159, 64212, 85616, 96318, 128424, 144477, 192636, 256848, 288954, 385272, 433431, 577908, 770544, 866862, 1155816, 1300293, 1733724, 2311632, 2600586, 3467448, 5201172, 6934896, 10402344, 20804688]

約数ペア:

[(1, 20804688), (2, 10402344), (3, 6934896), (4, 5201172), (6, 3467448), (8, 2600586), (9, 2311632), (12, 1733724), (16, 1300293), (18, 1155816), (24, 866862), (27, 770544), (36, 577908), (48, 433431), (54, 385272), (72, 288954), (81, 256848), (108, 192636), (144, 144477), (162, 128424), (216, 96318), (243, 85616), (324, 64212), (432, 48159), (486, 42808), (648, 32106), (972, 21404), (1296, 16053), (1944, 10702), (3888, 5351)]