13920340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{99431}}^1$

素因数の和:99447

約数の個数: 24

約数和(自身を含む): 33409152

約数和(自身を除く): 19488812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 99431, 198862, 397724, 497155, 696017, 994310, 1392034, 1988620, 2784068, 3480085, 6960170, 13920340]

約数ペア:

[(1, 13920340), (2, 6960170), (4, 3480085), (5, 2784068), (7, 1988620), (10, 1392034), (14, 994310), (20, 696017), (28, 497155), (35, 397724), (70, 198862), (140, 99431)]