20184976

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{787}}^1$

素因数の和:1031

約数の個数: 40

約数和(自身を含む): 44947520

約数和(自身を除く): 24762544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 787, 916, 1574, 1603, 1832, 3148, 3206, 3664, 5509, 6296, 6412, 11018, 12592, 12824, 22036, 25648, 44072, 88144, 180223, 360446, 720892, 1261561, 1441784, 2523122, 2883568, 5046244, 10092488, 20184976]

約数ペア:

[(1, 20184976), (2, 10092488), (4, 5046244), (7, 2883568), (8, 2523122), (14, 1441784), (16, 1261561), (28, 720892), (56, 360446), (112, 180223), (229, 88144), (458, 44072), (787, 25648), (916, 22036), (1574, 12824), (1603, 12592), (1832, 11018), (3148, 6412), (3206, 6296), (3664, 5509)]