20786808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{123731}}^1$

素因数の和:123747

約数の個数: 32

約数和(自身を含む): 59391360

約数和(自身を除く): 38604552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 123731, 247462, 371193, 494924, 742386, 866117, 989848, 1484772, 1732234, 2598351, 2969544, 3464468, 5196702, 6928936, 10393404, 20786808]

約数ペア:

[(1, 20786808), (2, 10393404), (3, 6928936), (4, 5196702), (6, 3464468), (7, 2969544), (8, 2598351), (12, 1732234), (14, 1484772), (21, 989848), (24, 866117), (28, 742386), (42, 494924), (56, 371193), (84, 247462), (168, 123731)]