20109912

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2192

約数の個数: 64

約数和(自身を含む): 55572480

約数和(自身を除く): 35462568

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 51, 68, 69, 92, 102, 136, 138, 184, 204, 276, 391, 408, 552, 782, 1173, 1564, 2143, 2346, 3128, 4286, 4692, 6429, 8572, 9384, 12858, 17144, 25716, 36431, 49289, 51432, 72862, 98578, 109293, 145724, 147867, 197156, 218586, 291448, 295734, 394312, 437172, 591468, 837913, 874344, 1182936, 1675826, 2513739, 3351652, 5027478, 6703304, 10054956, 20109912]

約数ペア:

[(1, 20109912), (2, 10054956), (3, 6703304), (4, 5027478), (6, 3351652), (8, 2513739), (12, 1675826), (17, 1182936), (23, 874344), (24, 837913), (34, 591468), (46, 437172), (51, 394312), (68, 295734), (69, 291448), (92, 218586), (102, 197156), (136, 147867), (138, 145724), (184, 109293), (204, 98578), (276, 72862), (391, 51432), (408, 49289), (552, 36431), (782, 25716), (1173, 17144), (1564, 12858), (2143, 9384), (2346, 8572), (3128, 6429), (4286, 4692)]