20656053

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 40

約数和(自身を含む): 34151040

約数和(自身を除く): 13494987

約数列:

[1, 3, 9, 11, 27, 33, 81, 97, 99, 239, 291, 297, 717, 873, 891, 1067, 2151, 2619, 2629, 3201, 6453, 7857, 7887, 9603, 19359, 23183, 23661, 28809, 69549, 70983, 86427, 208647, 212949, 255013, 625941, 765039, 1877823, 2295117, 6885351, 20656053]

約数ペア:

[(1, 20656053), (3, 6885351), (9, 2295117), (11, 1877823), (27, 765039), (33, 625941), (81, 255013), (97, 212949), (99, 208647), (239, 86427), (291, 70983), (297, 69549), (717, 28809), (873, 23661), (891, 23183), (1067, 19359), (2151, 9603), (2619, 7887), (2629, 7857), (3201, 6453)]