20586876

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 49529088

約数和(自身を除く): 28942212

約数列:

[1, 2, 3, 4, 6, 12, 71, 73, 142, 146, 213, 219, 284, 292, 331, 426, 438, 662, 852, 876, 993, 1324, 1986, 3972, 5183, 10366, 15549, 20732, 23501, 24163, 31098, 47002, 48326, 62196, 70503, 72489, 94004, 96652, 141006, 144978, 282012, 289956, 1715573, 3431146, 5146719, 6862292, 10293438, 20586876]

約数ペア:

[(1, 20586876), (2, 10293438), (3, 6862292), (4, 5146719), (6, 3431146), (12, 1715573), (71, 289956), (73, 282012), (142, 144978), (146, 141006), (213, 96652), (219, 94004), (284, 72489), (292, 70503), (331, 62196), (426, 48326), (438, 47002), (662, 31098), (852, 24163), (876, 23501), (993, 20732), (1324, 15549), (1986, 10366), (3972, 5183)]