20747944

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2273}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 44752320

約数和(自身を除く): 24004376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2273, 2282, 4546, 4564, 9092, 9128, 15911, 18184, 31822, 63644, 127288, 370499, 740998, 1481996, 2593493, 2963992, 5186986, 10373972, 20747944]

約数ペア:

[(1, 20747944), (2, 10373972), (4, 5186986), (7, 2963992), (8, 2593493), (14, 1481996), (28, 740998), (56, 370499), (163, 127288), (326, 63644), (652, 31822), (1141, 18184), (1304, 15911), (2273, 9128), (2282, 9092), (4546, 4564)]