20545696

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9043}}^1$

素因数の和:9124

約数の個数: 24

約数和(自身を含む): 41023584

約数和(自身を除く): 20477888

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9043, 18086, 36172, 72344, 144688, 289376, 642053, 1284106, 2568212, 5136424, 10272848, 20545696]

約数ペア:

[(1, 20545696), (2, 10272848), (4, 5136424), (8, 2568212), (16, 1284106), (32, 642053), (71, 289376), (142, 144688), (284, 72344), (568, 36172), (1136, 18086), (2272, 9043)]