20798295

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{28297}}^1$

素因数の和:28319

約数の個数: 24

約数和(自身を含む): 38711664

約数和(自身を除く): 17913369

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 28297, 84891, 141485, 198079, 424455, 594237, 990395, 1386553, 2971185, 4159659, 6932765, 20798295]

約数ペア:

[(1, 20798295), (3, 6932765), (5, 4159659), (7, 2971185), (15, 1386553), (21, 990395), (35, 594237), (49, 424455), (105, 198079), (147, 141485), (245, 84891), (735, 28297)]