20819176

素因数分解:

$2^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1013}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 44778240

約数和(自身を除く): 23959064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367, 734, 1013, 1468, 2026, 2569, 2936, 4052, 5138, 7091, 8104, 10276, 14182, 20552, 28364, 56728, 371771, 743542, 1487084, 2602397, 2974168, 5204794, 10409588, 20819176]

約数ペア:

[(1, 20819176), (2, 10409588), (4, 5204794), (7, 2974168), (8, 2602397), (14, 1487084), (28, 743542), (56, 371771), (367, 56728), (734, 28364), (1013, 20552), (1468, 14182), (2026, 10276), (2569, 8104), (2936, 7091), (4052, 5138)]