20700700

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1511}}^1$

素因数の和:1662

約数の個数: 36

約数和(自身を含む): 45278352

約数和(自身を除く): 24577652

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 1511, 2740, 3022, 3425, 6044, 6850, 7555, 13700, 15110, 30220, 37775, 75550, 151100, 207007, 414014, 828028, 1035035, 2070070, 4140140, 5175175, 10350350, 20700700]

約数ペア:

[(1, 20700700), (2, 10350350), (4, 5175175), (5, 4140140), (10, 2070070), (20, 1035035), (25, 828028), (50, 414014), (100, 207007), (137, 151100), (274, 75550), (548, 37775), (685, 30220), (1370, 15110), (1511, 13700), (2740, 7555), (3022, 6850), (3425, 6044)]