20228411140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{218591}}^1$

素因数の和:219268

約数の個数: 48

約数和(自身を含む): 48621855744

約数和(自身を除く): 28393444604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 2644, 3305, 4627, 6610, 9254, 13220, 18508, 23135, 46270, 92540, 218591, 437182, 874364, 1092955, 1530137, 2185910, 3060274, 4371820, 6120548, 7650685, 15301370, 30602740, 144488651, 288977302, 577954604, 722443255, 1011420557, 1444886510, 2022841114, 2889773020, 4045682228, 5057102785, 10114205570, 20228411140]

約数ペア:

[(1, 20228411140), (2, 10114205570), (4, 5057102785), (5, 4045682228), (7, 2889773020), (10, 2022841114), (14, 1444886510), (20, 1011420557), (28, 722443255), (35, 577954604), (70, 288977302), (140, 144488651), (661, 30602740), (1322, 15301370), (2644, 7650685), (3305, 6120548), (4627, 4371820), (6610, 3060274), (9254, 2185910), (13220, 1530137), (18508, 1092955), (23135, 874364), (46270, 437182), (92540, 218591)]