20290515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193243}}^1$

素因数の和:193258

約数の個数: 16

約数和(自身を含む): 37102848

約数和(自身を除く): 16812333

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193243, 579729, 966215, 1352701, 2898645, 4058103, 6763505, 20290515]

約数ペア:

[(1, 20290515), (3, 6763505), (5, 4058103), (7, 2898645), (15, 1352701), (21, 966215), (35, 579729), (105, 193243)]