20340043376

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1\times {\mathrm{823}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 41491630080

約数和(自身を除く): 21151586704

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 239, 281, 368, 478, 562, 823, 956, 1124, 1646, 1912, 2248, 3292, 3824, 4496, 5497, 6463, 6584, 10994, 12926, 13168, 18929, 21988, 25852, 37858, 43976, 51704, 67159, 75716, 87952, 103408, 134318, 151432, 196697, 231263, 268636, 302864, 393394, 462526, 537272, 786788, 925052, 1074544, 1544657, 1573576, 1850104, 3089314, 3147152, 3700208, 4524031, 5319049, 6178628, 9048062, 10638098, 12357256, 18096124, 21276196, 24714512, 36192248, 42552392, 55271857, 72384496, 85104784, 110543714, 221087428, 442174856, 884349712, 1271252711, 2542505422, 5085010844, 10170021688, 20340043376]

約数ペア:

[(1, 20340043376), (2, 10170021688), (4, 5085010844), (8, 2542505422), (16, 1271252711), (23, 884349712), (46, 442174856), (92, 221087428), (184, 110543714), (239, 85104784), (281, 72384496), (368, 55271857), (478, 42552392), (562, 36192248), (823, 24714512), (956, 21276196), (1124, 18096124), (1646, 12357256), (1912, 10638098), (2248, 9048062), (3292, 6178628), (3824, 5319049), (4496, 4524031), (5497, 3700208), (6463, 3147152), (6584, 3089314), (10994, 1850104), (12926, 1573576), (13168, 1544657), (18929, 1074544), (21988, 925052), (25852, 786788), (37858, 537272), (43976, 462526), (51704, 393394), (67159, 302864), (75716, 268636), (87952, 231263), (103408, 196697), (134318, 151432)]