20311354

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2143}}^1$

素因数の和:2829

約数の個数: 16

約数和(自身を含む): 34887168

約数和(自身を除く): 14575814

約数列:

[1, 2, 7, 14, 677, 1354, 2143, 4286, 4739, 9478, 15001, 30002, 1450811, 2901622, 10155677, 20311354]

約数ペア:

[(1, 20311354), (2, 10155677), (7, 2901622), (14, 1450811), (677, 30002), (1354, 15001), (2143, 9478), (4286, 4739)]