20144432

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 29352400

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 83, 88, 112, 154, 166, 176, 197, 308, 332, 394, 581, 616, 664, 788, 913, 1162, 1232, 1328, 1379, 1576, 1826, 2167, 2324, 2758, 3152, 3652, 4334, 4648, 5516, 6391, 7304, 8668, 9296, 11032, 12782, 14608, 15169, 16351, 17336, 22064, 25564, 30338, 32702, 34672, 51128, 60676, 65404, 102256, 114457, 121352, 130808, 179861, 228914, 242704, 261616, 359722, 457828, 719444, 915656, 1259027, 1438888, 1831312, 2518054, 2877776, 5036108, 10072216, 20144432]

約数ペア:

[(1, 20144432), (2, 10072216), (4, 5036108), (7, 2877776), (8, 2518054), (11, 1831312), (14, 1438888), (16, 1259027), (22, 915656), (28, 719444), (44, 457828), (56, 359722), (77, 261616), (83, 242704), (88, 228914), (112, 179861), (154, 130808), (166, 121352), (176, 114457), (197, 102256), (308, 65404), (332, 60676), (394, 51128), (581, 34672), (616, 32702), (664, 30338), (788, 25564), (913, 22064), (1162, 17336), (1232, 16351), (1328, 15169), (1379, 14608), (1576, 12782), (1826, 11032), (2167, 9296), (2324, 8668), (2758, 7304), (3152, 6391), (3652, 5516), (4334, 4648)]