20843703

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 12487497

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 991, 1107, 2337, 2973, 7011, 8919, 18829, 21033, 26757, 40631, 56487, 121893, 169461, 365679, 508383, 771989, 1097037, 2315967, 6947901, 20843703]

約数ペア:

[(1, 20843703), (3, 6947901), (9, 2315967), (19, 1097037), (27, 771989), (41, 508383), (57, 365679), (123, 169461), (171, 121893), (369, 56487), (513, 40631), (779, 26757), (991, 21033), (1107, 18829), (2337, 8919), (2973, 7011)]