20914510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19002290

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 1759, 2378, 3518, 5945, 8795, 11890, 17590, 51011, 72119, 102022, 144238, 255055, 360595, 510110, 721190, 2091451, 4182902, 10457255, 20914510]

約数ペア:

[(1, 20914510), (2, 10457255), (5, 4182902), (10, 2091451), (29, 721190), (41, 510110), (58, 360595), (82, 255055), (145, 144238), (205, 102022), (290, 72119), (410, 51011), (1189, 17590), (1759, 11890), (2378, 8795), (3518, 5945)]