20138076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 58662240

約数和(自身を除く): 38524164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 509, 628, 942, 1018, 1099, 1413, 1527, 1884, 2036, 2198, 2826, 3054, 3297, 3563, 4396, 4581, 5652, 6108, 6594, 7126, 9162, 9891, 10689, 13188, 14252, 18324, 19782, 21378, 32067, 39564, 42756, 64134, 79913, 128268, 159826, 239739, 319652, 479478, 559391, 719217, 958956, 1118782, 1438434, 1678173, 2237564, 2876868, 3356346, 5034519, 6712692, 10069038, 20138076]

約数ペア:

[(1, 20138076), (2, 10069038), (3, 6712692), (4, 5034519), (6, 3356346), (7, 2876868), (9, 2237564), (12, 1678173), (14, 1438434), (18, 1118782), (21, 958956), (28, 719217), (36, 559391), (42, 479478), (63, 319652), (84, 239739), (126, 159826), (157, 128268), (252, 79913), (314, 64134), (471, 42756), (509, 39564), (628, 32067), (942, 21378), (1018, 19782), (1099, 18324), (1413, 14252), (1527, 13188), (1884, 10689), (2036, 9891), (2198, 9162), (2826, 7126), (3054, 6594), (3297, 6108), (3563, 5652), (4396, 4581)]