20464272

素因数分解:

$2^4\times 3^3\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:517

約数の個数: 80

約数和(自身を含む): 59361280

約数和(自身を除く): 38897008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 127, 144, 216, 254, 373, 381, 432, 508, 746, 762, 1016, 1119, 1143, 1492, 1524, 2032, 2238, 2286, 2984, 3048, 3357, 3429, 4476, 4572, 5968, 6096, 6714, 6858, 8952, 9144, 10071, 13428, 13716, 17904, 18288, 20142, 26856, 27432, 40284, 47371, 53712, 54864, 80568, 94742, 142113, 161136, 189484, 284226, 378968, 426339, 568452, 757936, 852678, 1136904, 1279017, 1705356, 2273808, 2558034, 3410712, 5116068, 6821424, 10232136, 20464272]

約数ペア:

[(1, 20464272), (2, 10232136), (3, 6821424), (4, 5116068), (6, 3410712), (8, 2558034), (9, 2273808), (12, 1705356), (16, 1279017), (18, 1136904), (24, 852678), (27, 757936), (36, 568452), (48, 426339), (54, 378968), (72, 284226), (108, 189484), (127, 161136), (144, 142113), (216, 94742), (254, 80568), (373, 54864), (381, 53712), (432, 47371), (508, 40284), (746, 27432), (762, 26856), (1016, 20142), (1119, 18288), (1143, 17904), (1492, 13716), (1524, 13428), (2032, 10071), (2238, 9144), (2286, 8952), (2984, 6858), (3048, 6714), (3357, 6096), (3429, 5968), (4476, 4572)]