20008688

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{787}}^1$

素因数の和:1029

約数の個数: 40

約数和(自身を含む): 44556672

約数和(自身を除く): 24547984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 787, 908, 1574, 1589, 1816, 3148, 3178, 3632, 5509, 6296, 6356, 11018, 12592, 12712, 22036, 25424, 44072, 88144, 178649, 357298, 714596, 1250543, 1429192, 2501086, 2858384, 5002172, 10004344, 20008688]

約数ペア:

[(1, 20008688), (2, 10004344), (4, 5002172), (7, 2858384), (8, 2501086), (14, 1429192), (16, 1250543), (28, 714596), (56, 357298), (112, 178649), (227, 88144), (454, 44072), (787, 25424), (908, 22036), (1574, 12712), (1589, 12592), (1816, 11018), (3148, 6356), (3178, 6296), (3632, 5509)]