20948310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5413}}^1$

素因数の和:5469

約数の個数: 48

約数和(自身を含む): 55742544

約数和(自身を除く): 34794234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5413, 10826, 16239, 27065, 32478, 48717, 54130, 81195, 97434, 162390, 232759, 243585, 465518, 487170, 698277, 1163795, 1396554, 2094831, 2327590, 3491385, 4189662, 6982770, 10474155, 20948310]

約数ペア:

[(1, 20948310), (2, 10474155), (3, 6982770), (5, 4189662), (6, 3491385), (9, 2327590), (10, 2094831), (15, 1396554), (18, 1163795), (30, 698277), (43, 487170), (45, 465518), (86, 243585), (90, 232759), (129, 162390), (215, 97434), (258, 81195), (387, 54130), (430, 48717), (645, 32478), (774, 27065), (1290, 16239), (1935, 10826), (3870, 5413)]