20091396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{9907}}^1$

素因数の和:9940

約数の個数: 36

約数和(自身を含む): 50768592

約数和(自身を除く): 30677196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 9907, 19814, 29721, 39628, 59442, 118884, 128791, 257582, 386373, 515164, 772746, 1545492, 1674283, 3348566, 5022849, 6697132, 10045698, 20091396]

約数ペア:

[(1, 20091396), (2, 10045698), (3, 6697132), (4, 5022849), (6, 3348566), (12, 1674283), (13, 1545492), (26, 772746), (39, 515164), (52, 386373), (78, 257582), (156, 128791), (169, 118884), (338, 59442), (507, 39628), (676, 29721), (1014, 19814), (2028, 9907)]