20776420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148403}}^1$

素因数の和:148419

約数の個数: 24

約数和(自身を含む): 49863744

約数和(自身を除く): 29087324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148403, 296806, 593612, 742015, 1038821, 1484030, 2077642, 2968060, 4155284, 5194105, 10388210, 20776420]

約数ペア:

[(1, 20776420), (2, 10388210), (4, 5194105), (5, 4155284), (7, 2968060), (10, 2077642), (14, 1484030), (20, 1038821), (28, 742015), (35, 593612), (70, 296806), (140, 148403)]