20993498

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2149

約数の個数: 16

約数和(自身を含む): 32400000

約数和(自身を除く): 11406502

約数列:

[1, 2, 59, 89, 118, 178, 1999, 3998, 5251, 10502, 117941, 177911, 235882, 355822, 10496749, 20993498]

約数ペア:

[(1, 20993498), (2, 10496749), (59, 355822), (89, 235882), (118, 177911), (178, 117941), (1999, 10502), (3998, 5251)]