20027488

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1607

約数の個数: 48

約数和(自身を含む): 43860096

約数和(自身を除く): 23832608

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1553, 1612, 3106, 3224, 6212, 6448, 12424, 12896, 20189, 24848, 40378, 48143, 49696, 80756, 96286, 161512, 192572, 323024, 385144, 625859, 646048, 770288, 1251718, 1540576, 2503436, 5006872, 10013744, 20027488]

約数ペア:

[(1, 20027488), (2, 10013744), (4, 5006872), (8, 2503436), (13, 1540576), (16, 1251718), (26, 770288), (31, 646048), (32, 625859), (52, 385144), (62, 323024), (104, 192572), (124, 161512), (208, 96286), (248, 80756), (403, 49696), (416, 48143), (496, 40378), (806, 24848), (992, 20189), (1553, 12896), (1612, 12424), (3106, 6448), (3224, 6212)]