20911184

素因数分解:

$2^4\times 7^1\times {\mathrm{186707}}^1$

素因数の和:186722

約数の個数: 20

約数和(自身を含む): 46303584

約数和(自身を除く): 25392400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186707, 373414, 746828, 1306949, 1493656, 2613898, 2987312, 5227796, 10455592, 20911184]

約数ペア:

[(1, 20911184), (2, 10455592), (4, 5227796), (7, 2987312), (8, 2613898), (14, 1493656), (16, 1306949), (28, 746828), (56, 373414), (112, 186707)]