20562256

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 50795360

約数和(自身を除く): 30233104

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 43, 44, 52, 76, 86, 88, 104, 121, 143, 152, 172, 176, 208, 209, 242, 247, 286, 304, 344, 418, 473, 484, 494, 559, 572, 688, 817, 836, 946, 968, 988, 1118, 1144, 1573, 1634, 1672, 1892, 1936, 1976, 2236, 2288, 2299, 2717, 3146, 3268, 3344, 3784, 3952, 4472, 4598, 5203, 5434, 6149, 6292, 6536, 7568, 8944, 8987, 9196, 10406, 10621, 10868, 12298, 12584, 13072, 17974, 18392, 20812, 21242, 21736, 24596, 25168, 29887, 35948, 36784, 41624, 42484, 43472, 49192, 59774, 67639, 71896, 83248, 84968, 98384, 98857, 116831, 119548, 135278, 143792, 169936, 197714, 233662, 239096, 270556, 395428, 467324, 478192, 541112, 790856, 934648, 1082224, 1285141, 1581712, 1869296, 2570282, 5140564, 10281128, 20562256]

約数ペア:

[(1, 20562256), (2, 10281128), (4, 5140564), (8, 2570282), (11, 1869296), (13, 1581712), (16, 1285141), (19, 1082224), (22, 934648), (26, 790856), (38, 541112), (43, 478192), (44, 467324), (52, 395428), (76, 270556), (86, 239096), (88, 233662), (104, 197714), (121, 169936), (143, 143792), (152, 135278), (172, 119548), (176, 116831), (208, 98857), (209, 98384), (242, 84968), (247, 83248), (286, 71896), (304, 67639), (344, 59774), (418, 49192), (473, 43472), (484, 42484), (494, 41624), (559, 36784), (572, 35948), (688, 29887), (817, 25168), (836, 24596), (946, 21736), (968, 21242), (988, 20812), (1118, 18392), (1144, 17974), (1573, 13072), (1634, 12584), (1672, 12298), (1892, 10868), (1936, 10621), (1976, 10406), (2236, 9196), (2288, 8987), (2299, 8944), (2717, 7568), (3146, 6536), (3268, 6292), (3344, 6149), (3784, 5434), (3952, 5203), (4472, 4598)]