20731188

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 52125696

約数和(自身を除く): 31394508

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 124, 138, 186, 276, 372, 713, 1426, 2139, 2423, 2852, 4278, 4846, 7269, 8556, 9692, 14538, 29076, 55729, 75113, 111458, 150226, 167187, 222916, 225339, 300452, 334374, 450678, 668748, 901356, 1727599, 3455198, 5182797, 6910396, 10365594, 20731188]

約数ペア:

[(1, 20731188), (2, 10365594), (3, 6910396), (4, 5182797), (6, 3455198), (12, 1727599), (23, 901356), (31, 668748), (46, 450678), (62, 334374), (69, 300452), (92, 225339), (93, 222916), (124, 167187), (138, 150226), (186, 111458), (276, 75113), (372, 55729), (713, 29076), (1426, 14538), (2139, 9692), (2423, 8556), (2852, 7269), (4278, 4846)]