20323857

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 29922048

約数和(自身を除く): 9598191

約数列:

[1, 3, 17, 51, 53, 73, 103, 159, 219, 309, 901, 1241, 1751, 2703, 3723, 3869, 5253, 5459, 7519, 11607, 16377, 22557, 65773, 92803, 127823, 197319, 278409, 383469, 398507, 1195521, 6774619, 20323857]

約数ペア:

[(1, 20323857), (3, 6774619), (17, 1195521), (51, 398507), (53, 383469), (73, 278409), (103, 197319), (159, 127823), (219, 92803), (309, 65773), (901, 22557), (1241, 16377), (1751, 11607), (2703, 7519), (3723, 5459), (3869, 5253)]