20090090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2003}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 38957760

約数和(自身を除く): 18867670

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2003, 2006, 4006, 5015, 10015, 10030, 20030, 34051, 68102, 118177, 170255, 236354, 340510, 590885, 1181770, 2009009, 4018018, 10045045, 20090090]

約数ペア:

[(1, 20090090), (2, 10045045), (5, 4018018), (10, 2009009), (17, 1181770), (34, 590885), (59, 340510), (85, 236354), (118, 170255), (170, 118177), (295, 68102), (590, 34051), (1003, 20030), (2003, 10030), (2006, 10015), (4006, 5015)]