20766004

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1168

約数の個数: 36

約数和(自身を含む): 42732900

約数和(自身を除く): 21966896

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1049, 1414, 2098, 2828, 4196, 4949, 7343, 9898, 14686, 19796, 29372, 51401, 102802, 105949, 205604, 211898, 423796, 741643, 1483286, 2966572, 5191501, 10383002, 20766004]

約数ペア:

[(1, 20766004), (2, 10383002), (4, 5191501), (7, 2966572), (14, 1483286), (28, 741643), (49, 423796), (98, 211898), (101, 205604), (196, 105949), (202, 102802), (404, 51401), (707, 29372), (1049, 19796), (1414, 14686), (2098, 9898), (2828, 7343), (4196, 4949)]