20801850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{138679}}^1$

素因数の和:138694

約数の個数: 24

約数和(自身を含む): 51588960

約数和(自身を除く): 30787110

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 138679, 277358, 416037, 693395, 832074, 1386790, 2080185, 3466975, 4160370, 6933950, 10400925, 20801850]

約数ペア:

[(1, 20801850), (2, 10400925), (3, 6933950), (5, 4160370), (6, 3466975), (10, 2080185), (15, 1386790), (25, 832074), (30, 693395), (50, 416037), (75, 277358), (150, 138679)]