20538176

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 56

約数和(自身を含む): 44256960

約数和(自身を除く): 23718784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 136, 172, 272, 344, 439, 544, 688, 731, 878, 1088, 1376, 1462, 1756, 2752, 2924, 3512, 5848, 7024, 7463, 11696, 14048, 14926, 18877, 23392, 28096, 29852, 37754, 46784, 59704, 75508, 119408, 151016, 238816, 302032, 320909, 477632, 604064, 641818, 1208128, 1283636, 2567272, 5134544, 10269088, 20538176]

約数ペア:

[(1, 20538176), (2, 10269088), (4, 5134544), (8, 2567272), (16, 1283636), (17, 1208128), (32, 641818), (34, 604064), (43, 477632), (64, 320909), (68, 302032), (86, 238816), (136, 151016), (172, 119408), (272, 75508), (344, 59704), (439, 46784), (544, 37754), (688, 29852), (731, 28096), (878, 23392), (1088, 18877), (1376, 14926), (1462, 14048), (1756, 11696), (2752, 7463), (2924, 7024), (3512, 5848)]