20651505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{196681}}^1$

素因数の和:196696

約数の個数: 16

約数和(自身を含む): 37762944

約数和(自身を除く): 17111439

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 196681, 590043, 983405, 1376767, 2950215, 4130301, 6883835, 20651505]

約数ペア:

[(1, 20651505), (3, 6883835), (5, 4130301), (7, 2950215), (15, 1376767), (21, 983405), (35, 590043), (105, 196681)]