20470293495

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2897423}}^1$

素因数の和:2897591

約数の個数: 24

約数和(自身を含む): 35707853376

約数和(自身を除く): 15237559881

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 2897423, 8692269, 14487115, 26076807, 43461345, 130384035, 454895411, 1364686233, 2274477055, 4094058699, 6823431165, 20470293495]

約数ペア:

[(1, 20470293495), (3, 6823431165), (5, 4094058699), (9, 2274477055), (15, 1364686233), (45, 454895411), (157, 130384035), (471, 43461345), (785, 26076807), (1413, 14487115), (2355, 8692269), (7065, 2897423)]