20786176

素因数分解:

$2^{10}\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 44

約数和(自身を含む): 42446592

約数和(自身を除く): 21660416

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 383, 424, 512, 766, 848, 1024, 1532, 1696, 3064, 3392, 6128, 6784, 12256, 13568, 20299, 24512, 27136, 40598, 49024, 54272, 81196, 98048, 162392, 196096, 324784, 392192, 649568, 1299136, 2598272, 5196544, 10393088, 20786176]

約数ペア:

[(1, 20786176), (2, 10393088), (4, 5196544), (8, 2598272), (16, 1299136), (32, 649568), (53, 392192), (64, 324784), (106, 196096), (128, 162392), (212, 98048), (256, 81196), (383, 54272), (424, 49024), (512, 40598), (766, 27136), (848, 24512), (1024, 20299), (1532, 13568), (1696, 12256), (3064, 6784), (3392, 6128)]