20306272

素因数分解:

$2^5\times 7^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 25688768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 269, 337, 538, 674, 1076, 1348, 1883, 2152, 2359, 2696, 3766, 4304, 4718, 5392, 7532, 8608, 9436, 10784, 15064, 18872, 30128, 37744, 60256, 75488, 90653, 181306, 362612, 634571, 725224, 1269142, 1450448, 2538284, 2900896, 5076568, 10153136, 20306272]

約数ペア:

[(1, 20306272), (2, 10153136), (4, 5076568), (7, 2900896), (8, 2538284), (14, 1450448), (16, 1269142), (28, 725224), (32, 634571), (56, 362612), (112, 181306), (224, 90653), (269, 75488), (337, 60256), (538, 37744), (674, 30128), (1076, 18872), (1348, 15064), (1883, 10784), (2152, 9436), (2359, 8608), (2696, 7532), (3766, 5392), (4304, 4718)]