20001810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666727}}^1$

素因数の和:666737

約数の個数: 16

約数和(自身を含む): 48004416

約数和(自身を除く): 28002606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666727, 1333454, 2000181, 3333635, 4000362, 6667270, 10000905, 20001810]

約数ペア:

[(1, 20001810), (2, 10000905), (3, 6667270), (5, 4000362), (6, 3333635), (10, 2000181), (15, 1333454), (30, 666727)]