20181102940

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{673}}^1\times {\mathrm{3739}}^1$

素因数の和:4822

約数の個数: 48

約数和(自身を含む): 42560511840

約数和(自身を除く): 22379408900

約数列:

[1, 2, 4, 5, 10, 20, 401, 673, 802, 1346, 1604, 2005, 2692, 3365, 3739, 4010, 6730, 7478, 8020, 13460, 14956, 18695, 37390, 74780, 269873, 539746, 1079492, 1349365, 1499339, 2516347, 2698730, 2998678, 5032694, 5397460, 5997356, 7496695, 10065388, 12581735, 14993390, 25163470, 29986780, 50326940, 1009055147, 2018110294, 4036220588, 5045275735, 10090551470, 20181102940]

約数ペア:

[(1, 20181102940), (2, 10090551470), (4, 5045275735), (5, 4036220588), (10, 2018110294), (20, 1009055147), (401, 50326940), (673, 29986780), (802, 25163470), (1346, 14993390), (1604, 12581735), (2005, 10065388), (2692, 7496695), (3365, 5997356), (3739, 5397460), (4010, 5032694), (6730, 2998678), (7478, 2698730), (8020, 2516347), (13460, 1499339), (14956, 1349365), (18695, 1079492), (37390, 539746), (74780, 269873)]