20498272

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14897}}^1$

素因数の和:14950

約数の個数: 24

約数和(自身を含む): 41297256

約数和(自身を除く): 20798984

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14897, 29794, 59588, 119176, 238352, 476704, 640571, 1281142, 2562284, 5124568, 10249136, 20498272]

約数ペア:

[(1, 20498272), (2, 10249136), (4, 5124568), (8, 2562284), (16, 1281142), (32, 640571), (43, 476704), (86, 238352), (172, 119176), (344, 59588), (688, 29794), (1376, 14897)]