20033510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 41532480

約数和(自身を除く): 21498970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2089, 4178, 4795, 9590, 10445, 14623, 20890, 29246, 73115, 146230, 286193, 572386, 1430965, 2003351, 2861930, 4006702, 10016755, 20033510]

約数ペア:

[(1, 20033510), (2, 10016755), (5, 4006702), (7, 2861930), (10, 2003351), (14, 1430965), (35, 572386), (70, 286193), (137, 146230), (274, 73115), (685, 29246), (959, 20890), (1370, 14623), (1918, 10445), (2089, 9590), (4178, 4795)]