20341552

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 52774400

約数和(自身を除く): 32432848

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 79, 88, 112, 121, 133, 152, 154, 158, 176, 209, 242, 266, 304, 308, 316, 418, 484, 532, 553, 616, 632, 836, 847, 869, 968, 1064, 1106, 1232, 1264, 1463, 1501, 1672, 1694, 1738, 1936, 2128, 2212, 2299, 2926, 3002, 3344, 3388, 3476, 4424, 4598, 5852, 6004, 6083, 6776, 6952, 8848, 9196, 9559, 10507, 11704, 12008, 12166, 13552, 13904, 16093, 16511, 18392, 19118, 21014, 23408, 24016, 24332, 32186, 33022, 36784, 38236, 42028, 48664, 64372, 66044, 66913, 76472, 84056, 97328, 115577, 128744, 132088, 133826, 152944, 168112, 181621, 231154, 257488, 264176, 267652, 363242, 462308, 535304, 726484, 924616, 1070608, 1271347, 1452968, 1849232, 2542694, 2905936, 5085388, 10170776, 20341552]

約数ペア:

[(1, 20341552), (2, 10170776), (4, 5085388), (7, 2905936), (8, 2542694), (11, 1849232), (14, 1452968), (16, 1271347), (19, 1070608), (22, 924616), (28, 726484), (38, 535304), (44, 462308), (56, 363242), (76, 267652), (77, 264176), (79, 257488), (88, 231154), (112, 181621), (121, 168112), (133, 152944), (152, 133826), (154, 132088), (158, 128744), (176, 115577), (209, 97328), (242, 84056), (266, 76472), (304, 66913), (308, 66044), (316, 64372), (418, 48664), (484, 42028), (532, 38236), (553, 36784), (616, 33022), (632, 32186), (836, 24332), (847, 24016), (869, 23408), (968, 21014), (1064, 19118), (1106, 18392), (1232, 16511), (1264, 16093), (1463, 13904), (1501, 13552), (1672, 12166), (1694, 12008), (1738, 11704), (1936, 10507), (2128, 9559), (2212, 9196), (2299, 8848), (2926, 6952), (3002, 6776), (3344, 6083), (3388, 6004), (3476, 5852), (4424, 4598)]