20771488

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20980

約数の個数: 24

約数和(自身を含む): 42215040

約数和(自身を除く): 21443552

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20939, 41878, 83756, 167512, 335024, 649109, 670048, 1298218, 2596436, 5192872, 10385744, 20771488]

約数ペア:

[(1, 20771488), (2, 10385744), (4, 5192872), (8, 2596436), (16, 1298218), (31, 670048), (32, 649109), (62, 335024), (124, 167512), (248, 83756), (496, 41878), (992, 20939)]