20688430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{877}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 42734016

約数和(自身を除く): 22045586

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 337, 674, 877, 1685, 1754, 2359, 3370, 4385, 4718, 6139, 8770, 11795, 12278, 23590, 30695, 61390, 295549, 591098, 1477745, 2068843, 2955490, 4137686, 10344215, 20688430]

約数ペア:

[(1, 20688430), (2, 10344215), (5, 4137686), (7, 2955490), (10, 2068843), (14, 1477745), (35, 591098), (70, 295549), (337, 61390), (674, 30695), (877, 23590), (1685, 12278), (1754, 11795), (2359, 8770), (3370, 6139), (4385, 4718)]