20604353

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 32

約数和(自身を含む): 27033600

約数和(自身を除く): 6429247

約数列:

[1, 7, 11, 43, 49, 77, 127, 301, 343, 473, 539, 889, 1397, 2107, 3311, 3773, 5461, 6223, 9779, 14749, 23177, 38227, 43561, 60071, 68453, 162239, 267589, 420497, 479171, 1873123, 2943479, 20604353]

約数ペア:

[(1, 20604353), (7, 2943479), (11, 1873123), (43, 479171), (49, 420497), (77, 267589), (127, 162239), (301, 68453), (343, 60071), (473, 43561), (539, 38227), (889, 23177), (1397, 14749), (2107, 9779), (3311, 6223), (3773, 5461)]