20321310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1543}}^1$

素因数の和:1992

約数の個数: 32

約数和(自身を含む): 48913920

約数和(自身を除く): 28592610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 1543, 2195, 2634, 3086, 4390, 4629, 6585, 7715, 9258, 13170, 15430, 23145, 46290, 677377, 1354754, 2032131, 3386885, 4064262, 6773770, 10160655, 20321310]

約数ペア:

[(1, 20321310), (2, 10160655), (3, 6773770), (5, 4064262), (6, 3386885), (10, 2032131), (15, 1354754), (30, 677377), (439, 46290), (878, 23145), (1317, 15430), (1543, 13170), (2195, 9258), (2634, 7715), (3086, 6585), (4390, 4629)]