20408085412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{964283}}^1$

素因数の和:964348

約数の個数: 48

約数和(自身を含む): 43091923392

約数和(自身を除く): 22683837980

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 962, 1628, 1924, 5291, 10582, 21164, 964283, 1928566, 3857132, 10607113, 12535679, 21214226, 25071358, 35678471, 42428452, 50142716, 71356942, 137892469, 142713884, 275784938, 392463181, 463820123, 551569876, 784926362, 927640246, 1569852724, 1855280492, 5102021353, 10204042706, 20408085412]

約数ペア:

[(1, 20408085412), (2, 10204042706), (4, 5102021353), (11, 1855280492), (13, 1569852724), (22, 927640246), (26, 784926362), (37, 551569876), (44, 463820123), (52, 392463181), (74, 275784938), (143, 142713884), (148, 137892469), (286, 71356942), (407, 50142716), (481, 42428452), (572, 35678471), (814, 25071358), (962, 21214226), (1628, 12535679), (1924, 10607113), (5291, 3857132), (10582, 1928566), (21164, 964283)]