20569268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 18912076

約数列:

[1, 2, 4, 23, 46, 47, 67, 71, 92, 94, 134, 142, 188, 268, 284, 1081, 1541, 1633, 2162, 3082, 3149, 3266, 3337, 4324, 4757, 6164, 6298, 6532, 6674, 9514, 12596, 13348, 19028, 72427, 76751, 109411, 144854, 153502, 218822, 223579, 289708, 307004, 437644, 447158, 894316, 5142317, 10284634, 20569268]

約数ペア:

[(1, 20569268), (2, 10284634), (4, 5142317), (23, 894316), (46, 447158), (47, 437644), (67, 307004), (71, 289708), (92, 223579), (94, 218822), (134, 153502), (142, 144854), (188, 109411), (268, 76751), (284, 72427), (1081, 19028), (1541, 13348), (1633, 12596), (2162, 9514), (3082, 6674), (3149, 6532), (3266, 6298), (3337, 6164), (4324, 4757)]