20637090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2143}}^1$

素因数の和:2263

約数の個数: 48

約数和(自身を含む): 54183168

約数和(自身を除く): 33546078

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2143, 3210, 4286, 4815, 6429, 9630, 10715, 12858, 19287, 21430, 32145, 38574, 64290, 96435, 192870, 229301, 458602, 687903, 1146505, 1375806, 2063709, 2293010, 3439515, 4127418, 6879030, 10318545, 20637090]

約数ペア:

[(1, 20637090), (2, 10318545), (3, 6879030), (5, 4127418), (6, 3439515), (9, 2293010), (10, 2063709), (15, 1375806), (18, 1146505), (30, 687903), (45, 458602), (90, 229301), (107, 192870), (214, 96435), (321, 64290), (535, 38574), (642, 32145), (963, 21430), (1070, 19287), (1605, 12858), (1926, 10715), (2143, 9630), (3210, 6429), (4286, 4815)]