20203568

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 52663296

約数和(自身を除く): 32459728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 31, 44, 46, 56, 62, 77, 88, 92, 112, 124, 154, 161, 176, 184, 217, 248, 253, 308, 322, 341, 368, 434, 496, 506, 529, 616, 644, 682, 713, 868, 1012, 1058, 1232, 1288, 1364, 1426, 1736, 1771, 2024, 2116, 2387, 2576, 2728, 2852, 3472, 3542, 3703, 4048, 4232, 4774, 4991, 5456, 5704, 5819, 7084, 7406, 7843, 8464, 9548, 9982, 11408, 11638, 14168, 14812, 15686, 16399, 19096, 19964, 23276, 28336, 29624, 31372, 32798, 38192, 39928, 40733, 46552, 54901, 59248, 62744, 65596, 79856, 81466, 93104, 109802, 114793, 125488, 131192, 162932, 180389, 219604, 229586, 262384, 325864, 360778, 439208, 459172, 651728, 721556, 878416, 918344, 1262723, 1443112, 1836688, 2525446, 2886224, 5050892, 10101784, 20203568]

約数ペア:

[(1, 20203568), (2, 10101784), (4, 5050892), (7, 2886224), (8, 2525446), (11, 1836688), (14, 1443112), (16, 1262723), (22, 918344), (23, 878416), (28, 721556), (31, 651728), (44, 459172), (46, 439208), (56, 360778), (62, 325864), (77, 262384), (88, 229586), (92, 219604), (112, 180389), (124, 162932), (154, 131192), (161, 125488), (176, 114793), (184, 109802), (217, 93104), (248, 81466), (253, 79856), (308, 65596), (322, 62744), (341, 59248), (368, 54901), (434, 46552), (496, 40733), (506, 39928), (529, 38192), (616, 32798), (644, 31372), (682, 29624), (713, 28336), (868, 23276), (1012, 19964), (1058, 19096), (1232, 16399), (1288, 15686), (1364, 14812), (1426, 14168), (1736, 11638), (1771, 11408), (2024, 9982), (2116, 9548), (2387, 8464), (2576, 7843), (2728, 7406), (2852, 7084), (3472, 5819), (3542, 5704), (3703, 5456), (4048, 4991), (4232, 4774)]