20179356880

素因数分解:

$2^4\times 5^1\times {\mathrm{252241961}}^1$

素因数の和:252241974

約数の個数: 20

約数和(自身を含む): 46917004932

約数和(自身を除く): 26737648052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252241961, 504483922, 1008967844, 1261209805, 2017935688, 2522419610, 4035871376, 5044839220, 10089678440, 20179356880]

約数ペア:

[(1, 20179356880), (2, 10089678440), (4, 5044839220), (5, 4035871376), (8, 2522419610), (10, 2017935688), (16, 1261209805), (20, 1008967844), (40, 504483922), (80, 252241961)]