20630370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{687679}}^1$

素因数の和:687689

約数の個数: 16

約数和(自身を含む): 49512960

約数和(自身を除く): 28882590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 687679, 1375358, 2063037, 3438395, 4126074, 6876790, 10315185, 20630370]

約数ペア:

[(1, 20630370), (2, 10315185), (3, 6876790), (5, 4126074), (6, 3438395), (10, 2063037), (15, 1375358), (30, 687679)]