20393478

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53951}}^1$

素因数の和:53969

約数の個数: 32

約数和(自身を含む): 51793920

約数和(自身を除く): 31400442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 53951, 107902, 161853, 323706, 377657, 485559, 755314, 971118, 1132971, 1456677, 2265942, 2913354, 3398913, 6797826, 10196739, 20393478]

約数ペア:

[(1, 20393478), (2, 10196739), (3, 6797826), (6, 3398913), (7, 2913354), (9, 2265942), (14, 1456677), (18, 1132971), (21, 971118), (27, 755314), (42, 485559), (54, 377657), (63, 323706), (126, 161853), (189, 107902), (378, 53951)]