20603704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1709}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 42476400

約数和(自身を除く): 21872696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1709, 3014, 3418, 6028, 6836, 12056, 13672, 18799, 37598, 75196, 150392, 234133, 468266, 936532, 1873064, 2575463, 5150926, 10301852, 20603704]

約数ペア:

[(1, 20603704), (2, 10301852), (4, 5150926), (8, 2575463), (11, 1873064), (22, 936532), (44, 468266), (88, 234133), (137, 150392), (274, 75196), (548, 37598), (1096, 18799), (1507, 13672), (1709, 12056), (3014, 6836), (3418, 6028)]