20915232

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16759}}^1$

素因数の和:16785

約数の個数: 48

約数和(自身を含む): 59129280

約数和(自身を除く): 38214048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16759, 33518, 50277, 67036, 100554, 134072, 201108, 217867, 268144, 402216, 435734, 536288, 653601, 804432, 871468, 1307202, 1608864, 1742936, 2614404, 3485872, 5228808, 6971744, 10457616, 20915232]

約数ペア:

[(1, 20915232), (2, 10457616), (3, 6971744), (4, 5228808), (6, 3485872), (8, 2614404), (12, 1742936), (13, 1608864), (16, 1307202), (24, 871468), (26, 804432), (32, 653601), (39, 536288), (48, 435734), (52, 402216), (78, 268144), (96, 217867), (104, 201108), (156, 134072), (208, 100554), (312, 67036), (416, 50277), (624, 33518), (1248, 16759)]