20194178390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1\times {\mathrm{947}}^1$

素因数の和:1829

約数の個数: 64

約数和(自身を含む): 37841126400

約数和(自身を除く): 17646948010

約数列:

[1, 2, 5, 10, 47, 59, 94, 118, 235, 295, 470, 590, 769, 947, 1538, 1894, 2773, 3845, 4735, 5546, 7690, 9470, 13865, 27730, 36143, 44509, 45371, 55873, 72286, 89018, 90742, 111746, 180715, 222545, 226855, 279365, 361430, 445090, 453710, 558730, 728243, 1456486, 2132437, 2626031, 3641215, 4264874, 5252062, 7282430, 10662185, 13130155, 21324370, 26260310, 34227421, 42966337, 68454842, 85932674, 171137105, 214831685, 342274210, 429663370, 2019417839, 4038835678, 10097089195, 20194178390]

約数ペア:

[(1, 20194178390), (2, 10097089195), (5, 4038835678), (10, 2019417839), (47, 429663370), (59, 342274210), (94, 214831685), (118, 171137105), (235, 85932674), (295, 68454842), (470, 42966337), (590, 34227421), (769, 26260310), (947, 21324370), (1538, 13130155), (1894, 10662185), (2773, 7282430), (3845, 5252062), (4735, 4264874), (5546, 3641215), (7690, 2626031), (9470, 2132437), (13865, 1456486), (27730, 728243), (36143, 558730), (44509, 453710), (45371, 445090), (55873, 361430), (72286, 279365), (89018, 226855), (90742, 222545), (111746, 180715)]