20753618

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1999}}^1$

素因数の和:2209

約数の個数: 16

約数和(自身を含む): 32400000

約数和(自身を除く): 11646382

約数列:

[1, 2, 29, 58, 179, 358, 1999, 3998, 5191, 10382, 57971, 115942, 357821, 715642, 10376809, 20753618]

約数ペア:

[(1, 20753618), (2, 10376809), (29, 715642), (58, 357821), (179, 115942), (358, 57971), (1999, 10382), (3998, 5191)]