20850491136

素因数分解:

$2^8\times 3^1\times {\mathrm{439}}^1\times {\mathrm{61843}}^1$

素因数の和:62301

約数の個数: 72

約数和(自身を含む): 55620019840

約数和(自身を除く): 34769528704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 439, 768, 878, 1317, 1756, 2634, 3512, 5268, 7024, 10536, 14048, 21072, 28096, 42144, 56192, 61843, 84288, 112384, 123686, 168576, 185529, 247372, 337152, 371058, 494744, 742116, 989488, 1484232, 1978976, 2968464, 3957952, 5936928, 7915904, 11873856, 15831808, 23747712, 27149077, 47495424, 54298154, 81447231, 108596308, 162894462, 217192616, 325788924, 434385232, 651577848, 868770464, 1303155696, 1737540928, 2606311392, 3475081856, 5212622784, 6950163712, 10425245568, 20850491136]

約数ペア:

[(1, 20850491136), (2, 10425245568), (3, 6950163712), (4, 5212622784), (6, 3475081856), (8, 2606311392), (12, 1737540928), (16, 1303155696), (24, 868770464), (32, 651577848), (48, 434385232), (64, 325788924), (96, 217192616), (128, 162894462), (192, 108596308), (256, 81447231), (384, 54298154), (439, 47495424), (768, 27149077), (878, 23747712), (1317, 15831808), (1756, 11873856), (2634, 7915904), (3512, 5936928), (5268, 3957952), (7024, 2968464), (10536, 1978976), (14048, 1484232), (21072, 989488), (28096, 742116), (42144, 494744), (56192, 371058), (61843, 337152), (84288, 247372), (112384, 185529), (123686, 168576)]