20045760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 224

約数和(自身を含む): 77053440

約数和(自身を除く): 57007680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 157, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 314, 320, 336, 380, 399, 420, 448, 456, 471, 480, 532, 560, 570, 608, 628, 665, 672, 760, 785, 798, 840, 912, 942, 960, 1064, 1099, 1120, 1140, 1216, 1256, 1330, 1344, 1520, 1570, 1596, 1680, 1824, 1884, 1995, 2128, 2198, 2240, 2280, 2355, 2512, 2660, 2983, 3040, 3140, 3192, 3297, 3360, 3648, 3768, 3990, 4256, 4396, 4560, 4710, 5024, 5320, 5495, 5966, 6080, 6280, 6384, 6594, 6720, 7536, 7980, 8512, 8792, 8949, 9120, 9420, 10048, 10640, 10990, 11932, 12560, 12768, 13188, 14915, 15072, 15960, 16485, 17584, 17898, 18240, 18840, 20881, 21280, 21980, 23864, 25120, 25536, 26376, 29830, 30144, 31920, 32970, 35168, 35796, 37680, 41762, 42560, 43960, 44745, 47728, 50240, 52752, 59660, 62643, 63840, 65940, 70336, 71592, 75360, 83524, 87920, 89490, 95456, 104405, 105504, 119320, 125286, 127680, 131880, 143184, 150720, 167048, 175840, 178980, 190912, 208810, 211008, 238640, 250572, 263760, 286368, 313215, 334096, 351680, 357960, 417620, 477280, 501144, 527520, 572736, 626430, 668192, 715920, 835240, 954560, 1002288, 1055040, 1252860, 1336384, 1431840, 1670480, 2004576, 2505720, 2863680, 3340960, 4009152, 5011440, 6681920, 10022880, 20045760]

約数ペア:

[(1, 20045760), (2, 10022880), (3, 6681920), (4, 5011440), (5, 4009152), (6, 3340960), (7, 2863680), (8, 2505720), (10, 2004576), (12, 1670480), (14, 1431840), (15, 1336384), (16, 1252860), (19, 1055040), (20, 1002288), (21, 954560), (24, 835240), (28, 715920), (30, 668192), (32, 626430), (35, 572736), (38, 527520), (40, 501144), (42, 477280), (48, 417620), (56, 357960), (57, 351680), (60, 334096), (64, 313215), (70, 286368), (76, 263760), (80, 250572), (84, 238640), (95, 211008), (96, 208810), (105, 190912), (112, 178980), (114, 175840), (120, 167048), (133, 150720), (140, 143184), (152, 131880), (157, 127680), (160, 125286), (168, 119320), (190, 105504), (192, 104405), (210, 95456), (224, 89490), (228, 87920), (240, 83524), (266, 75360), (280, 71592), (285, 70336), (304, 65940), (314, 63840), (320, 62643), (336, 59660), (380, 52752), (399, 50240), (420, 47728), (448, 44745), (456, 43960), (471, 42560), (480, 41762), (532, 37680), (560, 35796), (570, 35168), (608, 32970), (628, 31920), (665, 30144), (672, 29830), (760, 26376), (785, 25536), (798, 25120), (840, 23864), (912, 21980), (942, 21280), (960, 20881), (1064, 18840), (1099, 18240), (1120, 17898), (1140, 17584), (1216, 16485), (1256, 15960), (1330, 15072), (1344, 14915), (1520, 13188), (1570, 12768), (1596, 12560), (1680, 11932), (1824, 10990), (1884, 10640), (1995, 10048), (2128, 9420), (2198, 9120), (2240, 8949), (2280, 8792), (2355, 8512), (2512, 7980), (2660, 7536), (2983, 6720), (3040, 6594), (3140, 6384), (3192, 6280), (3297, 6080), (3360, 5966), (3648, 5495), (3768, 5320), (3990, 5024), (4256, 4710), (4396, 4560)]