20173823965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1\times {\mathrm{2591}}^1$

素因数の和:3081

約数の個数: 32

約数和(自身を含む): 25225592832

約数和(自身を除く): 5051768867

約数列:

[1, 5, 31, 155, 191, 263, 955, 1315, 2591, 5921, 8153, 12955, 29605, 40765, 50233, 80321, 251165, 401605, 494881, 681433, 1557223, 2474405, 3407165, 7786115, 15341311, 21124423, 76706555, 105622115, 130153703, 650768515, 4034764793, 20173823965]

約数ペア:

[(1, 20173823965), (5, 4034764793), (31, 650768515), (155, 130153703), (191, 105622115), (263, 76706555), (955, 21124423), (1315, 15341311), (2591, 7786115), (5921, 3407165), (8153, 2474405), (12955, 1557223), (29605, 681433), (40765, 494881), (50233, 401605), (80321, 251165)]