20693744

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 42666912

約数和(自身を除く): 21973168

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1061, 1219, 2122, 2438, 4244, 4876, 8488, 9752, 16976, 19504, 24403, 48806, 56233, 97612, 112466, 195224, 224932, 390448, 449864, 899728, 1293359, 2586718, 5173436, 10346872, 20693744]

約数ペア:

[(1, 20693744), (2, 10346872), (4, 5173436), (8, 2586718), (16, 1293359), (23, 899728), (46, 449864), (53, 390448), (92, 224932), (106, 195224), (184, 112466), (212, 97612), (368, 56233), (424, 48806), (848, 24403), (1061, 19504), (1219, 16976), (2122, 9752), (2438, 8488), (4244, 4876)]