20898724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67853}}^1$

素因数の和:67875

約数の個数: 24

約数和(自身を含む): 45597888

約数和(自身を除く): 24699164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67853, 135706, 271412, 474971, 746383, 949942, 1492766, 1899884, 2985532, 5224681, 10449362, 20898724]

約数ペア:

[(1, 20898724), (2, 10449362), (4, 5224681), (7, 2985532), (11, 1899884), (14, 1492766), (22, 949942), (28, 746383), (44, 474971), (77, 271412), (154, 135706), (308, 67853)]