20199100815

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{334727}}^1$

素因数の和:334893

約数の個数: 40

約数和(自身を含む): 36451879200

約数和(自身を除く): 16252778385

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 405, 447, 745, 1341, 2235, 4023, 6705, 12069, 20115, 60345, 334727, 1004181, 1673635, 3012543, 5020905, 9037629, 15062715, 27112887, 45188145, 49874323, 135564435, 149622969, 249371615, 448868907, 748114845, 1346606721, 2244344535, 4039820163, 6733033605, 20199100815]

約数ペア:

[(1, 20199100815), (3, 6733033605), (5, 4039820163), (9, 2244344535), (15, 1346606721), (27, 748114845), (45, 448868907), (81, 249371615), (135, 149622969), (149, 135564435), (405, 49874323), (447, 45188145), (745, 27112887), (1341, 15062715), (2235, 9037629), (4023, 5020905), (6705, 3012543), (12069, 1673635), (20115, 1004181), (60345, 334727)]