20107829

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 23732352

約数和(自身を除く): 3624523

約数列:

[1, 7, 53, 83, 371, 581, 653, 4399, 4571, 30793, 34609, 54199, 242263, 379393, 2872547, 20107829]

約数ペア:

[(1, 20107829), (7, 2872547), (53, 379393), (83, 242263), (371, 54199), (581, 34609), (653, 30793), (4399, 4571)]