20087841872

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1290329}}^1$

素因数の和:1290483

約数の個数: 40

約数和(自身を含む): 44800257600

約数和(自身を除く): 24712415728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 7784, 15568, 1290329, 2580658, 5161316, 9032303, 10322632, 18064606, 20645264, 36129212, 72258424, 144516848, 179355731, 358711462, 717422924, 1255490117, 1434845848, 2510980234, 2869691696, 5021960468, 10043920936, 20087841872]

約数ペア:

[(1, 20087841872), (2, 10043920936), (4, 5021960468), (7, 2869691696), (8, 2510980234), (14, 1434845848), (16, 1255490117), (28, 717422924), (56, 358711462), (112, 179355731), (139, 144516848), (278, 72258424), (556, 36129212), (973, 20645264), (1112, 18064606), (1946, 10322632), (2224, 9032303), (3892, 5161316), (7784, 2580658), (15568, 1290329)]