20189708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65551}}^1$

素因数の和:65573

約数の個数: 24

約数和(自身を含む): 44050944

約数和(自身を除く): 23861236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65551, 131102, 262204, 458857, 721061, 917714, 1442122, 1835428, 2884244, 5047427, 10094854, 20189708]

約数ペア:

[(1, 20189708), (2, 10094854), (4, 5047427), (7, 2884244), (11, 1835428), (14, 1442122), (22, 917714), (28, 721061), (44, 458857), (77, 262204), (154, 131102), (308, 65551)]