20882764

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2137}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 41904800

約数和(自身を除く): 21022036

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2137, 2443, 4274, 4886, 8548, 9772, 14959, 29918, 59836, 745813, 1491626, 2983252, 5220691, 10441382, 20882764]

約数ペア:

[(1, 20882764), (2, 10441382), (4, 5220691), (7, 2983252), (14, 1491626), (28, 745813), (349, 59836), (698, 29918), (1396, 14959), (2137, 9772), (2443, 8548), (4274, 4886)]