20752305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197641}}^1$

素因数の和:197656

約数の個数: 16

約数和(自身を含む): 37947264

約数和(自身を除く): 17194959

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197641, 592923, 988205, 1383487, 2964615, 4150461, 6917435, 20752305]

約数ペア:

[(1, 20752305), (3, 6917435), (5, 4150461), (7, 2964615), (15, 1383487), (21, 988205), (35, 592923), (105, 197641)]