20354624

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{881}}^1$

素因数の和:931

約数の個数: 42

約数和(自身を含む): 42677334

約数和(自身を除く): 22322710

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 881, 1216, 1444, 1762, 2888, 3524, 5776, 7048, 11552, 14096, 16739, 23104, 28192, 33478, 56384, 66956, 133912, 267824, 318041, 535648, 636082, 1071296, 1272164, 2544328, 5088656, 10177312, 20354624]

約数ペア:

[(1, 20354624), (2, 10177312), (4, 5088656), (8, 2544328), (16, 1272164), (19, 1071296), (32, 636082), (38, 535648), (64, 318041), (76, 267824), (152, 133912), (304, 66956), (361, 56384), (608, 33478), (722, 28192), (881, 23104), (1216, 16739), (1444, 14096), (1762, 11552), (2888, 7048), (3524, 5776)]