20696872

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16069}}^1$

素因数の和:16105

約数の個数: 32

約数和(自身を含む): 46281600

約数和(自身を除く): 25584728

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16069, 32138, 64276, 112483, 128552, 224966, 369587, 449932, 739174, 899864, 1478348, 2587109, 2956696, 5174218, 10348436, 20696872]

約数ペア:

[(1, 20696872), (2, 10348436), (4, 5174218), (7, 2956696), (8, 2587109), (14, 1478348), (23, 899864), (28, 739174), (46, 449932), (56, 369587), (92, 224966), (161, 128552), (184, 112483), (322, 64276), (644, 32138), (1288, 16069)]