20707550

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{3023}}^1$

素因数の和:3172

約数の個数: 24

約数和(自身を含む): 38810016

約数和(自身を除く): 18102466

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 685, 1370, 3023, 3425, 6046, 6850, 15115, 30230, 75575, 151150, 414151, 828302, 2070755, 4141510, 10353775, 20707550]

約数ペア:

[(1, 20707550), (2, 10353775), (5, 4141510), (10, 2070755), (25, 828302), (50, 414151), (137, 151150), (274, 75575), (685, 30230), (1370, 15115), (3023, 6850), (3425, 6046)]