20763988

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12569}}^1$

素因数の和:12639

約数の個数: 24

約数和(自身を含む): 42235200

約数和(自身を除く): 21471212

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12569, 25138, 50276, 87983, 175966, 351932, 741571, 1483142, 2966284, 5190997, 10381994, 20763988]

約数ペア:

[(1, 20763988), (2, 10381994), (4, 5190997), (7, 2966284), (14, 1483142), (28, 741571), (59, 351932), (118, 175966), (236, 87983), (413, 50276), (826, 25138), (1652, 12569)]