20434005

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6581}}^1$

素因数の和:6618

約数の個数: 32

約数和(自身を含む): 37912320

約数和(自身を除く): 17478315

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6581, 19743, 32905, 59229, 98715, 151363, 177687, 296145, 454089, 756815, 888435, 1362267, 2270445, 4086801, 6811335, 20434005]

約数ペア:

[(1, 20434005), (3, 6811335), (5, 4086801), (9, 2270445), (15, 1362267), (23, 888435), (27, 756815), (45, 454089), (69, 296145), (115, 177687), (135, 151363), (207, 98715), (345, 59229), (621, 32905), (1035, 19743), (3105, 6581)]