20135784800

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{680263}}^1$

素因数の和:680320

約数の個数: 72

約数和(自身を含む): 50485112496

約数和(自身を除く): 30349327696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 74, 80, 100, 148, 160, 185, 200, 296, 370, 400, 592, 740, 800, 925, 1184, 1480, 1850, 2960, 3700, 5920, 7400, 14800, 29600, 680263, 1360526, 2721052, 3401315, 5442104, 6802630, 10884208, 13605260, 17006575, 21768416, 25169731, 27210520, 34013150, 50339462, 54421040, 68026300, 100678924, 108842080, 125848655, 136052600, 201357848, 251697310, 272105200, 402715696, 503394620, 544210400, 629243275, 805431392, 1006789240, 1258486550, 2013578480, 2516973100, 4027156960, 5033946200, 10067892400, 20135784800]

約数ペア:

[(1, 20135784800), (2, 10067892400), (4, 5033946200), (5, 4027156960), (8, 2516973100), (10, 2013578480), (16, 1258486550), (20, 1006789240), (25, 805431392), (32, 629243275), (37, 544210400), (40, 503394620), (50, 402715696), (74, 272105200), (80, 251697310), (100, 201357848), (148, 136052600), (160, 125848655), (185, 108842080), (200, 100678924), (296, 68026300), (370, 54421040), (400, 50339462), (592, 34013150), (740, 27210520), (800, 25169731), (925, 21768416), (1184, 17006575), (1480, 13605260), (1850, 10884208), (2960, 6802630), (3700, 5442104), (5920, 3401315), (7400, 2721052), (14800, 1360526), (29600, 680263)]