19600070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{280001}}^1$

素因数の和:280015

約数の個数: 16

約数和(自身を含む): 40320288

約数和(自身を除く): 20720218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 280001, 560002, 1400005, 1960007, 2800010, 3920014, 9800035, 19600070]

約数ペア:

[(1, 19600070), (2, 9800035), (5, 3920014), (7, 2800010), (10, 1960007), (14, 1400005), (35, 560002), (70, 280001)]