20408806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 35668512

約数和(自身を除く): 15259706

約数列:

[1, 2, 11, 17, 22, 34, 187, 197, 277, 374, 394, 554, 2167, 3047, 3349, 4334, 4709, 6094, 6698, 9418, 36839, 51799, 54569, 73678, 103598, 109138, 600259, 927673, 1200518, 1855346, 10204403, 20408806]

約数ペア:

[(1, 20408806), (2, 10204403), (11, 1855346), (17, 1200518), (22, 927673), (34, 600259), (187, 109138), (197, 103598), (277, 73678), (374, 54569), (394, 51799), (554, 36839), (2167, 9418), (3047, 6698), (3349, 6094), (4334, 4709)]