20523748

素因数分解:

$2^2\times 7^4\times {\mathrm{2137}}^1$

素因数の和:2169

約数の個数: 30

約数和(自身を含む): 41919766

約数和(自身を除く): 21396018

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2137, 2401, 4274, 4802, 8548, 9604, 14959, 29918, 59836, 104713, 209426, 418852, 732991, 1465982, 2931964, 5130937, 10261874, 20523748]

約数ペア:

[(1, 20523748), (2, 10261874), (4, 5130937), (7, 2931964), (14, 1465982), (28, 732991), (49, 418852), (98, 209426), (196, 104713), (343, 59836), (686, 29918), (1372, 14959), (2137, 9604), (2401, 8548), (4274, 4802)]