20746836

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{52391}}^1$

素因数の和:52412

約数の個数: 36

約数和(自身を含む): 57212064

約数和(自身を除く): 36465228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 52391, 104782, 157173, 209564, 314346, 471519, 576301, 628692, 943038, 1152602, 1728903, 1886076, 2305204, 3457806, 5186709, 6915612, 10373418, 20746836]

約数ペア:

[(1, 20746836), (2, 10373418), (3, 6915612), (4, 5186709), (6, 3457806), (9, 2305204), (11, 1886076), (12, 1728903), (18, 1152602), (22, 943038), (33, 628692), (36, 576301), (44, 471519), (66, 314346), (99, 209564), (132, 157173), (198, 104782), (396, 52391)]