20530708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12611}}^1$

素因数の和:12663

約数の個数: 24

約数和(自身を含む): 40257504

約数和(自身を除く): 19726796

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12611, 25222, 50444, 138721, 277442, 466607, 554884, 933214, 1866428, 5132677, 10265354, 20530708]

約数ペア:

[(1, 20530708), (2, 10265354), (4, 5132677), (11, 1866428), (22, 933214), (37, 554884), (44, 466607), (74, 277442), (148, 138721), (407, 50444), (814, 25222), (1628, 12611)]