20379984

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8011}}^1$

素因数の和:8075

約数の個数: 40

約数和(自身を含む): 53648352

約数和(自身を除く): 33268368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8011, 16022, 24033, 32044, 48066, 64088, 96132, 128176, 192264, 384528, 424583, 849166, 1273749, 1698332, 2547498, 3396664, 5094996, 6793328, 10189992, 20379984]

約数ペア:

[(1, 20379984), (2, 10189992), (3, 6793328), (4, 5094996), (6, 3396664), (8, 2547498), (12, 1698332), (16, 1273749), (24, 849166), (48, 424583), (53, 384528), (106, 192264), (159, 128176), (212, 96132), (318, 64088), (424, 48066), (636, 32044), (848, 24033), (1272, 16022), (2544, 8011)]