20669433

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 31021056

約数和(自身を除く): 10351623

約数列:

[1, 3, 17, 23, 51, 67, 69, 201, 263, 391, 789, 1139, 1173, 1541, 3417, 4471, 4623, 6049, 13413, 17621, 18147, 26197, 52863, 78591, 102833, 299557, 308499, 405283, 898671, 1215849, 6889811, 20669433]

約数ペア:

[(1, 20669433), (3, 6889811), (17, 1215849), (23, 898671), (51, 405283), (67, 308499), (69, 299557), (201, 102833), (263, 78591), (391, 52863), (789, 26197), (1139, 18147), (1173, 17621), (1541, 13413), (3417, 6049), (4471, 4623)]