20380075

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 26404560

約数和(自身を除く): 6024485

約数列:

[1, 5, 25, 41, 59, 205, 295, 337, 1025, 1475, 1685, 2419, 8425, 12095, 13817, 19883, 60475, 69085, 99415, 345425, 497075, 815203, 4076015, 20380075]

約数ペア:

[(1, 20380075), (5, 4076015), (25, 815203), (41, 497075), (59, 345425), (205, 99415), (295, 69085), (337, 60475), (1025, 19883), (1475, 13817), (1685, 12095), (2419, 8425)]