20116275

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4397}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 33811824

約数和(自身を除く): 13695549

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4397, 4575, 13191, 21985, 65955, 109925, 268217, 329775, 804651, 1341085, 4023255, 6705425, 20116275]

約数ペア:

[(1, 20116275), (3, 6705425), (5, 4023255), (15, 1341085), (25, 804651), (61, 329775), (75, 268217), (183, 109925), (305, 65955), (915, 21985), (1525, 13191), (4397, 4575)]