20979378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55501}}^1$

素因数の和:55519

約数の個数: 32

約数和(自身を含む): 53281920

約数和(自身を除く): 32302542

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55501, 111002, 166503, 333006, 388507, 499509, 777014, 999018, 1165521, 1498527, 2331042, 2997054, 3496563, 6993126, 10489689, 20979378]

約数ペア:

[(1, 20979378), (2, 10489689), (3, 6993126), (6, 3496563), (7, 2997054), (9, 2331042), (14, 1498527), (18, 1165521), (21, 999018), (27, 777014), (42, 499509), (54, 388507), (63, 333006), (126, 166503), (189, 111002), (378, 55501)]