20703749

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 25574400

約数和(自身を除く): 4870651

約数列:

[1, 11, 19, 23, 59, 73, 209, 253, 437, 649, 803, 1121, 1357, 1387, 1679, 4307, 4807, 12331, 14927, 15257, 18469, 25783, 31901, 47377, 81833, 99061, 283613, 350911, 900163, 1089671, 1882159, 20703749]

約数ペア:

[(1, 20703749), (11, 1882159), (19, 1089671), (23, 900163), (59, 350911), (73, 283613), (209, 99061), (253, 81833), (437, 47377), (649, 31901), (803, 25783), (1121, 18469), (1357, 15257), (1387, 14927), (1679, 12331), (4307, 4807)]