20129872

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{941}}^1$

素因数の和:1147

約数の個数: 40

約数和(自身を含む): 44854272

約数和(自身を除く): 24724400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 941, 1337, 1528, 1882, 2674, 3056, 3764, 5348, 6587, 7528, 10696, 13174, 15056, 21392, 26348, 52696, 105392, 179731, 359462, 718924, 1258117, 1437848, 2516234, 2875696, 5032468, 10064936, 20129872]

約数ペア:

[(1, 20129872), (2, 10064936), (4, 5032468), (7, 2875696), (8, 2516234), (14, 1437848), (16, 1258117), (28, 718924), (56, 359462), (112, 179731), (191, 105392), (382, 52696), (764, 26348), (941, 21392), (1337, 15056), (1528, 13174), (1882, 10696), (2674, 7528), (3056, 6587), (3764, 5348)]