20496028

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2039}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 20630372

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2039, 2513, 4078, 5026, 8156, 10052, 14273, 28546, 57092, 732001, 1464002, 2928004, 5124007, 10248014, 20496028]

約数ペア:

[(1, 20496028), (2, 10248014), (4, 5124007), (7, 2928004), (14, 1464002), (28, 732001), (359, 57092), (718, 28546), (1436, 14273), (2039, 10052), (2513, 8156), (4078, 5026)]