20798856

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 62986560

約数和(自身を除く): 42187704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 823, 936, 972, 1053, 1404, 1646, 1944, 2106, 2469, 2808, 3159, 3292, 4212, 4938, 6318, 6584, 7407, 8424, 9876, 10699, 12636, 14814, 19752, 21398, 22221, 25272, 29628, 32097, 42796, 44442, 59256, 64194, 66663, 85592, 88884, 96291, 128388, 133326, 177768, 192582, 199989, 256776, 266652, 288873, 385164, 399978, 533304, 577746, 770328, 799956, 866619, 1155492, 1599912, 1733238, 2310984, 2599857, 3466476, 5199714, 6932952, 10399428, 20798856]

約数ペア:

[(1, 20798856), (2, 10399428), (3, 6932952), (4, 5199714), (6, 3466476), (8, 2599857), (9, 2310984), (12, 1733238), (13, 1599912), (18, 1155492), (24, 866619), (26, 799956), (27, 770328), (36, 577746), (39, 533304), (52, 399978), (54, 385164), (72, 288873), (78, 266652), (81, 256776), (104, 199989), (108, 192582), (117, 177768), (156, 133326), (162, 128388), (216, 96291), (234, 88884), (243, 85592), (312, 66663), (324, 64194), (351, 59256), (468, 44442), (486, 42796), (648, 32097), (702, 29628), (823, 25272), (936, 22221), (972, 21398), (1053, 19752), (1404, 14814), (1646, 12636), (1944, 10699), (2106, 9876), (2469, 8424), (2808, 7407), (3159, 6584), (3292, 6318), (4212, 4938)]