20073220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 44498160

約数和(自身を除く): 24424940

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 653, 1060, 1306, 1537, 2612, 3074, 3265, 6148, 6530, 7685, 13060, 15370, 18937, 30740, 34609, 37874, 69218, 75748, 94685, 138436, 173045, 189370, 346090, 378740, 692180, 1003661, 2007322, 4014644, 5018305, 10036610, 20073220]

約数ペア:

[(1, 20073220), (2, 10036610), (4, 5018305), (5, 4014644), (10, 2007322), (20, 1003661), (29, 692180), (53, 378740), (58, 346090), (106, 189370), (116, 173045), (145, 138436), (212, 94685), (265, 75748), (290, 69218), (530, 37874), (580, 34609), (653, 30740), (1060, 18937), (1306, 15370), (1537, 13060), (2612, 7685), (3074, 6530), (3265, 6148)]