20199663358

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3427157}}^1$

素因数の和:3427587

約数の個数: 16

約数和(自身を含む): 34710256224

約数和(自身を除く): 14510592866

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 3427157, 6854314, 23990099, 47980198, 1442833097, 2885666194, 10099831679, 20199663358]

約数ペア:

[(1, 20199663358), (2, 10099831679), (7, 2885666194), (14, 1442833097), (421, 47980198), (842, 23990099), (2947, 6854314), (5894, 3427157)]