20874927357

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 30893498688

約数和(自身を除く): 10018571331

約数列:

[1, 3, 9, 73, 163, 219, 397, 489, 491, 657, 1191, 1467, 1473, 3573, 4419, 11899, 28981, 35697, 35843, 64711, 80033, 86943, 107091, 107529, 194133, 194927, 240099, 260829, 322587, 582399, 584781, 720297, 1754343, 4723903, 5842409, 14171709, 14229671, 17527227, 31773101, 42515127, 42689013, 52581681, 95319303, 128067039, 285957909, 2319436373, 6958309119, 20874927357]

約数ペア:

[(1, 20874927357), (3, 6958309119), (9, 2319436373), (73, 285957909), (163, 128067039), (219, 95319303), (397, 52581681), (489, 42689013), (491, 42515127), (657, 31773101), (1191, 17527227), (1467, 14229671), (1473, 14171709), (3573, 5842409), (4419, 4723903), (11899, 1754343), (28981, 720297), (35697, 584781), (35843, 582399), (64711, 322587), (80033, 260829), (86943, 240099), (107091, 194927), (107529, 194133)]