16877980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120557}}^1$

素因数の和:120573

約数の個数: 24

約数和(自身を含む): 40507488

約数和(自身を除く): 23629508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120557, 241114, 482228, 602785, 843899, 1205570, 1687798, 2411140, 3375596, 4219495, 8438990, 16877980]

約数ペア:

[(1, 16877980), (2, 8438990), (4, 4219495), (5, 3375596), (7, 2411140), (10, 1687798), (14, 1205570), (20, 843899), (28, 602785), (35, 482228), (70, 241114), (140, 120557)]