20253409

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 24579648

約数和(自身を除く): 4326239

約数列:

[1, 11, 17, 23, 187, 253, 277, 289, 391, 3047, 3179, 4301, 4709, 6371, 6647, 51799, 70081, 73117, 80053, 108307, 880583, 1191377, 1841219, 20253409]

約数ペア:

[(1, 20253409), (11, 1841219), (17, 1191377), (23, 880583), (187, 108307), (253, 80053), (277, 73117), (289, 70081), (391, 51799), (3047, 6647), (3179, 6371), (4301, 4709)]