20995526

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4831}}^1$

素因数の和:4927

約数の個数: 16

約数和(自身を含む): 32876928

約数和(自身を除く): 11881402

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4346, 4831, 9662, 198071, 256043, 396142, 512086, 10497763, 20995526]

約数ペア:

[(1, 20995526), (2, 10497763), (41, 512086), (53, 396142), (82, 256043), (106, 198071), (2173, 9662), (4346, 4831)]