20123143980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2412847}}^1$

素因数の和:2412998

約数の個数: 48

約数和(自身を含む): 56750184960

約数和(自身を除く): 36627040980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 2412847, 4825694, 7238541, 9651388, 12064235, 14477082, 24128470, 28954164, 36192705, 48256940, 72385410, 144770820, 335385733, 670771466, 1006157199, 1341542932, 1676928665, 2012314398, 3353857330, 4024628796, 5030785995, 6707714660, 10061571990, 20123143980]

約数ペア:

[(1, 20123143980), (2, 10061571990), (3, 6707714660), (4, 5030785995), (5, 4024628796), (6, 3353857330), (10, 2012314398), (12, 1676928665), (15, 1341542932), (20, 1006157199), (30, 670771466), (60, 335385733), (139, 144770820), (278, 72385410), (417, 48256940), (556, 36192705), (695, 28954164), (834, 24128470), (1390, 14477082), (1668, 12064235), (2085, 9651388), (2780, 7238541), (4170, 4825694), (8340, 2412847)]