20507696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1069}}^1$

素因数の和:1197

約数の個数: 40

約数和(自身を含む): 43784400

約数和(自身を除く): 23276704

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1069, 1199, 1744, 2138, 2398, 4276, 4796, 8552, 9592, 11759, 17104, 19184, 23518, 47036, 94072, 116521, 188144, 233042, 466084, 932168, 1281731, 1864336, 2563462, 5126924, 10253848, 20507696]

約数ペア:

[(1, 20507696), (2, 10253848), (4, 5126924), (8, 2563462), (11, 1864336), (16, 1281731), (22, 932168), (44, 466084), (88, 233042), (109, 188144), (176, 116521), (218, 94072), (436, 47036), (872, 23518), (1069, 19184), (1199, 17104), (1744, 11759), (2138, 9592), (2398, 8552), (4276, 4796)]