20199870544

素因数分解:

$2^4\times 7^2\times {\mathrm{103}}^1\times {\mathrm{250147}}^1$

素因数の和:250272

約数の個数: 60

約数和(自身を含む): 45969197664

約数和(自身を除く): 25769327120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 103, 112, 196, 206, 392, 412, 721, 784, 824, 1442, 1648, 2884, 5047, 5768, 10094, 11536, 20188, 40376, 80752, 250147, 500294, 1000588, 1751029, 2001176, 3502058, 4002352, 7004116, 12257203, 14008232, 24514406, 25765141, 28016464, 49028812, 51530282, 98057624, 103060564, 180355987, 196115248, 206121128, 360711974, 412242256, 721423948, 1262491909, 1442847896, 2524983818, 2885695792, 5049967636, 10099935272, 20199870544]

約数ペア:

[(1, 20199870544), (2, 10099935272), (4, 5049967636), (7, 2885695792), (8, 2524983818), (14, 1442847896), (16, 1262491909), (28, 721423948), (49, 412242256), (56, 360711974), (98, 206121128), (103, 196115248), (112, 180355987), (196, 103060564), (206, 98057624), (392, 51530282), (412, 49028812), (721, 28016464), (784, 25765141), (824, 24514406), (1442, 14008232), (1648, 12257203), (2884, 7004116), (5047, 4002352), (5768, 3502058), (10094, 2001176), (11536, 1751029), (20188, 1000588), (40376, 500294), (80752, 250147)]