20906367009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1504813}}^1$

素因数の和:1505248

約数の個数: 16

約数和(自身を含む): 30481512384

約数和(自身を除く): 9575145375

約数列:

[1, 3, 11, 33, 421, 1263, 4631, 13893, 1504813, 4514439, 16552943, 49658829, 633526273, 1900578819, 6968789003, 20906367009]

約数ペア:

[(1, 20906367009), (3, 6968789003), (11, 1900578819), (33, 633526273), (421, 49658829), (1263, 16552943), (4631, 4514439), (13893, 1504813)]