20611990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17321}}^1$

素因数の和:17352

約数の個数: 32

約数和(自身を含む): 44898624

約数和(自身を除く): 24286634

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17321, 34642, 86605, 121247, 173210, 242494, 294457, 588914, 606235, 1212470, 1472285, 2061199, 2944570, 4122398, 10305995, 20611990]

約数ペア:

[(1, 20611990), (2, 10305995), (5, 4122398), (7, 2944570), (10, 2061199), (14, 1472285), (17, 1212470), (34, 606235), (35, 588914), (70, 294457), (85, 242494), (119, 173210), (170, 121247), (238, 86605), (595, 34642), (1190, 17321)]