20343555

素因数分解:

$3^4\times 5^1\times {\mathrm{50231}}^1$

素因数の和:50248

約数の個数: 20

約数和(自身を含む): 36468432

約数和(自身を除く): 16124877

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50231, 150693, 251155, 452079, 753465, 1356237, 2260395, 4068711, 6781185, 20343555]

約数ペア:

[(1, 20343555), (3, 6781185), (5, 4068711), (9, 2260395), (15, 1356237), (27, 753465), (45, 452079), (81, 251155), (135, 150693), (405, 50231)]