20499918

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21836082

約数列:

[1, 2, 3, 6, 41, 82, 123, 167, 246, 334, 499, 501, 998, 1002, 1497, 2994, 6847, 13694, 20459, 20541, 40918, 41082, 61377, 83333, 122754, 166666, 249999, 499998, 3416653, 6833306, 10249959, 20499918]

約数ペア:

[(1, 20499918), (2, 10249959), (3, 6833306), (6, 3416653), (41, 499998), (82, 249999), (123, 166666), (167, 122754), (246, 83333), (334, 61377), (499, 41082), (501, 40918), (998, 20541), (1002, 20459), (1497, 13694), (2994, 6847)]