20889208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2593}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 42022800

約数和(自身を除く): 21133592

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2593, 4028, 5186, 8056, 10372, 20744, 49267, 98534, 137429, 197068, 274858, 394136, 549716, 1099432, 2611151, 5222302, 10444604, 20889208]

約数ペア:

[(1, 20889208), (2, 10444604), (4, 5222302), (8, 2611151), (19, 1099432), (38, 549716), (53, 394136), (76, 274858), (106, 197068), (152, 137429), (212, 98534), (424, 49267), (1007, 20744), (2014, 10372), (2593, 8056), (4028, 5186)]