20705538

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{10061}}^1$

素因数の和:10087

約数の個数: 32

約数和(自身を含む): 48297600

約数和(自身を除く): 27592062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 10061, 20122, 30183, 60366, 70427, 140854, 211281, 422562, 492989, 985978, 1478967, 2957934, 3450923, 6901846, 10352769, 20705538]

約数ペア:

[(1, 20705538), (2, 10352769), (3, 6901846), (6, 3450923), (7, 2957934), (14, 1478967), (21, 985978), (42, 492989), (49, 422562), (98, 211281), (147, 140854), (294, 70427), (343, 60366), (686, 30183), (1029, 20122), (2058, 10061)]