20605288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5711}}^1$

素因数の和:5769

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 22577432

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5711, 11422, 22844, 45688, 62821, 125642, 234151, 251284, 468302, 502568, 936604, 1873208, 2575661, 5151322, 10302644, 20605288]

約数ペア:

[(1, 20605288), (2, 10302644), (4, 5151322), (8, 2575661), (11, 1873208), (22, 936604), (41, 502568), (44, 468302), (82, 251284), (88, 234151), (164, 125642), (328, 62821), (451, 45688), (902, 22844), (1804, 11422), (3608, 5711)]