20084096

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 42411600

約数和(自身を除く): 22327504

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 89, 128, 164, 172, 178, 328, 344, 356, 656, 688, 712, 1312, 1376, 1424, 1763, 2624, 2752, 2848, 3526, 3649, 3827, 5248, 5504, 5696, 7052, 7298, 7654, 11392, 14104, 14596, 15308, 28208, 29192, 30616, 56416, 58384, 61232, 112832, 116768, 122464, 156907, 225664, 233536, 244928, 313814, 467072, 489856, 627628, 1255256, 2510512, 5021024, 10042048, 20084096]

約数ペア:

[(1, 20084096), (2, 10042048), (4, 5021024), (8, 2510512), (16, 1255256), (32, 627628), (41, 489856), (43, 467072), (64, 313814), (82, 244928), (86, 233536), (89, 225664), (128, 156907), (164, 122464), (172, 116768), (178, 112832), (328, 61232), (344, 58384), (356, 56416), (656, 30616), (688, 29192), (712, 28208), (1312, 15308), (1376, 14596), (1424, 14104), (1763, 11392), (2624, 7654), (2752, 7298), (2848, 7052), (3526, 5696), (3649, 5504), (3827, 5248)]