20976075

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1759}}^1$

素因数の和:1828

約数の個数: 36

約数和(自身を含む): 38301120

約数和(自身を除く): 17325045

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 159, 225, 265, 477, 795, 1325, 1759, 2385, 3975, 5277, 8795, 11925, 15831, 26385, 43975, 79155, 93227, 131925, 279681, 395775, 466135, 839043, 1398405, 2330675, 4195215, 6992025, 20976075]

約数ペア:

[(1, 20976075), (3, 6992025), (5, 4195215), (9, 2330675), (15, 1398405), (25, 839043), (45, 466135), (53, 395775), (75, 279681), (159, 131925), (225, 93227), (265, 79155), (477, 43975), (795, 26385), (1325, 15831), (1759, 11925), (2385, 8795), (3975, 5277)]