20306629

素因数分解:

$7^3\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 24035200

約数和(自身を除く): 3728571

約数列:

[1, 7, 49, 73, 343, 511, 811, 3577, 5677, 25039, 39739, 59203, 278173, 414421, 2900947, 20306629]

約数ペア:

[(1, 20306629), (7, 2900947), (49, 414421), (73, 278173), (343, 59203), (511, 39739), (811, 25039), (3577, 5677)]