20904864

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 58927680

約数和(自身を除く): 38022816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 73, 76, 96, 114, 146, 152, 157, 219, 228, 292, 304, 314, 438, 456, 471, 584, 608, 628, 876, 912, 942, 1168, 1256, 1387, 1752, 1824, 1884, 2336, 2512, 2774, 2983, 3504, 3768, 4161, 5024, 5548, 5966, 7008, 7536, 8322, 8949, 11096, 11461, 11932, 15072, 16644, 17898, 22192, 22922, 23864, 33288, 34383, 35796, 44384, 45844, 47728, 66576, 68766, 71592, 91688, 95456, 133152, 137532, 143184, 183376, 217759, 275064, 286368, 366752, 435518, 550128, 653277, 871036, 1100256, 1306554, 1742072, 2613108, 3484144, 5226216, 6968288, 10452432, 20904864]

約数ペア:

[(1, 20904864), (2, 10452432), (3, 6968288), (4, 5226216), (6, 3484144), (8, 2613108), (12, 1742072), (16, 1306554), (19, 1100256), (24, 871036), (32, 653277), (38, 550128), (48, 435518), (57, 366752), (73, 286368), (76, 275064), (96, 217759), (114, 183376), (146, 143184), (152, 137532), (157, 133152), (219, 95456), (228, 91688), (292, 71592), (304, 68766), (314, 66576), (438, 47728), (456, 45844), (471, 44384), (584, 35796), (608, 34383), (628, 33288), (876, 23864), (912, 22922), (942, 22192), (1168, 17898), (1256, 16644), (1387, 15072), (1752, 11932), (1824, 11461), (1884, 11096), (2336, 8949), (2512, 8322), (2774, 7536), (2983, 7008), (3504, 5966), (3768, 5548), (4161, 5024)]