20829168

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 120

約数和(自身を含む): 64222080

約数和(自身を除く): 43392912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 36, 38, 46, 48, 57, 69, 72, 76, 92, 114, 138, 144, 152, 171, 184, 207, 228, 276, 304, 331, 342, 368, 414, 437, 456, 552, 662, 684, 828, 874, 912, 993, 1104, 1311, 1324, 1368, 1656, 1748, 1986, 2622, 2648, 2736, 2979, 3312, 3496, 3933, 3972, 5244, 5296, 5958, 6289, 6992, 7613, 7866, 7944, 10488, 11916, 12578, 15226, 15732, 15888, 18867, 20976, 22839, 23832, 25156, 30452, 31464, 37734, 45678, 47664, 50312, 56601, 60904, 62928, 68517, 75468, 91356, 100624, 113202, 121808, 137034, 144647, 150936, 182712, 226404, 274068, 289294, 301872, 365424, 433941, 452808, 548136, 578588, 867882, 905616, 1096272, 1157176, 1301823, 1735764, 2314352, 2603646, 3471528, 5207292, 6943056, 10414584, 20829168]

約数ペア:

[(1, 20829168), (2, 10414584), (3, 6943056), (4, 5207292), (6, 3471528), (8, 2603646), (9, 2314352), (12, 1735764), (16, 1301823), (18, 1157176), (19, 1096272), (23, 905616), (24, 867882), (36, 578588), (38, 548136), (46, 452808), (48, 433941), (57, 365424), (69, 301872), (72, 289294), (76, 274068), (92, 226404), (114, 182712), (138, 150936), (144, 144647), (152, 137034), (171, 121808), (184, 113202), (207, 100624), (228, 91356), (276, 75468), (304, 68517), (331, 62928), (342, 60904), (368, 56601), (414, 50312), (437, 47664), (456, 45678), (552, 37734), (662, 31464), (684, 30452), (828, 25156), (874, 23832), (912, 22839), (993, 20976), (1104, 18867), (1311, 15888), (1324, 15732), (1368, 15226), (1656, 12578), (1748, 11916), (1986, 10488), (2622, 7944), (2648, 7866), (2736, 7613), (2979, 6992), (3312, 6289), (3496, 5958), (3933, 5296), (3972, 5244)]