20731696

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8581}}^1$

素因数の和:8740

約数の個数: 20

約数和(自身を含む): 40438384

約数和(自身を除く): 19706688

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8581, 17162, 34324, 68648, 137296, 1295731, 2591462, 5182924, 10365848, 20731696]

約数ペア:

[(1, 20731696), (2, 10365848), (4, 5182924), (8, 2591462), (16, 1295731), (151, 137296), (302, 68648), (604, 34324), (1208, 17162), (2416, 8581)]