201638180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234463}}^1$

素因数の和:234515

約数の個数: 24

約数和(自身を含む): 433289472

約数和(自身を除く): 231651292

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234463, 468926, 937852, 1172315, 2344630, 4689260, 10081909, 20163818, 40327636, 50409545, 100819090, 201638180]

約数ペア:

[(1, 201638180), (2, 100819090), (4, 50409545), (5, 40327636), (10, 20163818), (20, 10081909), (43, 4689260), (86, 2344630), (172, 1172315), (215, 937852), (430, 468926), (860, 234463)]