20804950908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{414871}}^1$

素因数の和:415087

約数の個数: 72

約数和(自身を含む): 60405363200

約数和(自身を除く): 39600412292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 796, 1194, 1393, 1791, 2388, 2786, 3582, 4179, 5572, 7164, 8358, 12537, 16716, 25074, 50148, 414871, 829742, 1244613, 1659484, 2489226, 2904097, 3733839, 4978452, 5808194, 7467678, 8712291, 11616388, 14935356, 17424582, 26136873, 34849164, 52273746, 82559329, 104547492, 165118658, 247677987, 330237316, 495355974, 577915303, 743033961, 990711948, 1155830606, 1486067922, 1733745909, 2311661212, 2972135844, 3467491818, 5201237727, 6934983636, 10402475454, 20804950908]

約数ペア:

[(1, 20804950908), (2, 10402475454), (3, 6934983636), (4, 5201237727), (6, 3467491818), (7, 2972135844), (9, 2311661212), (12, 1733745909), (14, 1486067922), (18, 1155830606), (21, 990711948), (28, 743033961), (36, 577915303), (42, 495355974), (63, 330237316), (84, 247677987), (126, 165118658), (199, 104547492), (252, 82559329), (398, 52273746), (597, 34849164), (796, 26136873), (1194, 17424582), (1393, 14935356), (1791, 11616388), (2388, 8712291), (2786, 7467678), (3582, 5808194), (4179, 4978452), (5572, 3733839), (7164, 2904097), (8358, 2489226), (12537, 1659484), (16716, 1244613), (25074, 829742), (50148, 414871)]